Buchanan, C. D. A programed introduction to lingüistics: Phonetics and phonemics.
Citazione stile Chigago Style (17a edizione)Buchanan, Cynthia D. A Programed Introduction to Lingüistics: Phonetics and Phonemics.
Citatione MLA (8a ed.)Buchanan, Cynthia D. A Programed Introduction to Lingüistics: Phonetics and Phonemics.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.