Cita APA (7a ed.)

Bayley, R., & Preston, D. R. (1996). Second language acquisition and linguistic variation. J. Benjamins.

Cita Chicago Style (17a ed.)

Bayley, Robert, y Dennis Richard Preston. Second Language Acquisition and Linguistic Variation. Amsterdam ; Philadelphia: J. Benjamins, 1996.

Cita MLA (8a ed.)

Bayley, Robert, y Dennis Richard Preston. Second Language Acquisition and Linguistic Variation. J. Benjamins, 1996.