Citazione Stile APA (7a Edizione)

Johnson, M. (2004). A philosophy of second language acquisition (1a. ed.). Yale University.

Citazione stile Chigago Style (17a edizione)

Johnson, Marysia. A Philosophy of Second Language Acquisition. 1a. ed. New Haven: Yale University, 2004.

Citatione MLA (9a ed.)

Johnson, Marysia. A Philosophy of Second Language Acquisition. 1a. ed. Yale University, 2004.