(2010). Language An introduction to the study of speech. Edward Sapir. [electronic resource].
Citazione stile Chigago Style (17a edizione)Language An Introduction to the Study of Speech. Edward Sapir. [electronic Resource]. 2010.
Citatione MLA (9a ed.)Language An Introduction to the Study of Speech. Edward Sapir. [electronic Resource]. 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.