Cita APA (7th ed.)

Doughty, C. J., & Long, M. H. (2003). The handbook of second language acquisition (1a. ed.). Blackwell.

Cita Chicago (17th ed.)

Doughty, Catherine J., i Michael H. Long. The Handbook of Second Language Acquisition. 1a. ed. Malden: Blackwell, 2003.

Cita MLA (9th ed.)

Doughty, Catherine J., i Michael H. Long. The Handbook of Second Language Acquisition. 1a. ed. Blackwell, 2003.