Dyfyniad APA

Ortega, L. (2009). Second language acquisition. Hodder Education.

Dyfyniad Arddull Chicago

Ortega, Lourdes. Second Language Acquisition. London: Hodder Education, 2009.

Dyfyniad MLA

Ortega, Lourdes. Second Language Acquisition. Hodder Education, 2009.

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