Citazione Stile APA (7a Edizione)

Gass, S. M., & Selinker, L. (2008). Second language acquisition: An introductory course (3a. ed.). Taylor and Francis.

Citazione stile Chigago Style (17a edizione)

Gass, Susan M., e Larry Selinker. Second Language Acquisition: An Introductory Course. 3a. ed. Londres: Taylor and Francis, 2008.

Citatione MLA (9a ed.)

Gass, Susan M., e Larry Selinker. Second Language Acquisition: An Introductory Course. 3a. ed. Taylor and Francis, 2008.