Cita APA (7a ed.)

Seliger, H. W., & Shoamy, E. (1989). Second language: Research methods. Oxford University Press.

Cita Chicago Style (17a ed.)

Seliger, Herbert W., y Elana Shoamy. Second Language: Research Methods. London: Oxford University Press, 1989.

Cita MLA (8a ed.)

Seliger, Herbert W., y Elana Shoamy. Second Language: Research Methods. Oxford University Press, 1989.