Gass, S. M., & Schachter, J. (1989). Linguistic perspectives on second language acquisition (1. publ.). Cambridge Univ. Press.
Chicago Style (17th ed.) CitationGass, Susan M., and Jacquelyn Schachter. Linguistic Perspectives on Second Language Acquisition. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1989.
MLA (9th ed.) CitationGass, Susan M., and Jacquelyn Schachter. Linguistic Perspectives on Second Language Acquisition. 1. publ. Cambridge Univ. Press, 1989.
Warning: These citations may not always be 100% accurate.