Cita APA (7a ed.)

Gallaway, C., & Richards, B. J. (1994). Input and interaction in language acquisition. Cambridge University Press.

Cita Chicago Style (17a ed.)

Gallaway, Clare, y Brian J. Richards. Input and Interaction in Language Acquisition. Cambridge, United Kingdom: Cambridge University Press, 1994.

Cita MLA (9a ed.)

Gallaway, Clare, y Brian J. Richards. Input and Interaction in Language Acquisition. Cambridge University Press, 1994.