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Quotes 2000s, 2007-09, (3rd ed., 2009)
                                    
Source: "A synopsis of linguistic theory 1930-1955." 1957, p. 21; as cited in: Olivares, Beatriz Enriqueta Quiroz. The interpersonal and experiential grammar of Chilean Spanish: Towards a principled Systemic-Functional description based on axial argumentation. Diss. University of Sydney, 2013.
                                        
                                        "Description and explanation in linguistics" 
Quotes 2000s, 2007-09, (3rd ed., 2009)
                                    
Source: The Cambridge Encyclopedia of the English Language, 1987, p. 84
                                        
                                        "Acquisition and use of language" 
Quotes 2000s, 2007-09, (3rd ed., 2009)
                                    
Source: Essays in the Philosophy of Language, 1967, p. 20-21
India's Shakespeare: Translation, Interpretation, and Performance
Pavle Ivić in: Linguistics http://www.britannica.com/EBchecked/topic/342418/linguistics#ref411727, britannica.com, 9 April 2013.
                                        
                                        Variant: A linguistic variable is defined as a variable whose values are sentences in a natural or artificial language. 
Source: 1970s, Outline of a new approach to the analysis of complex systems and decision processes (1973), p. 28
                                    
                                        
                                        Michael Halliday (1985, p. xxiii) cited in: David Brazil (1995) A Grammar of Speech. p. 10. 
1970s and later
                                    
 
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                         
                            
                        
                        
                        