Cita APA

Seliger, H. W., & Vago, R. M. (1991). First language attrition. Cambridge University Press.

Citación estilo Chicago

Seliger, Herbert W., and Robert M. Vago. First Language Attrition. Cambridge: Cambridge University Press, 1991.

Cita MLA

Seliger, Herbert W., and Robert M. Vago. First Language Attrition. Cambridge University Press, 1991.

Warning: These citations may not always be 100% accurate.