Citazione Stile APA (7a Edizione)

VanPatten, B., & Williams, J. (2007). Theories in second language acquisition: An introduction (1a. ed.). Routledge.

Citazione stile Chigago Style (17a edizione)

VanPatten, Bill, e Jessica Williams. Theories in Second Language Acquisition: An Introduction. 1a. ed. Nueva York: Routledge, 2007.

Citatione MLA (9a ed.)

VanPatten, Bill, e Jessica Williams. Theories in Second Language Acquisition: An Introduction. 1a. ed. Routledge, 2007.