Dyfyniad APA

De Bot, K., Lowie, W., & Verspoor, M. (2005). Second language acquisition: An advanced resource book. Routledge.

Dyfyniad Arddull Chicago

De Bot, Kees, Wander Lowie, and Marjolyn Verspoor. Second Language Acquisition: An Advanced Resource Book. London ; New York: Routledge, 2005.

Dyfyniad MLA

De Bot, Kees, et al. Second Language Acquisition: An Advanced Resource Book. Routledge, 2005.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.