Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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