APA-referens (7:e uppl.)

GASS, S. M. [. e. (1990). Linguistic perspectives on second language acquisition. Cambridge Univ. Press.

Chicago-referens (17:e uppl.)

GASS, Susan M. [ ed.]. Linguistic Perspectives on Second Language Acquisition. New York: Cambridge Univ. Press, 1990.

MLA-referens (9:e uppl.)

GASS, Susan M. [ ed.]. Linguistic Perspectives on Second Language Acquisition. Cambridge Univ. Press, 1990.