APA-Zitierstil (7. Ausg.)

Doughty, C. J., & Williams, J. (1998). Focus on form in classroom second language acquisition. Cambridge University.

Chicago-Zitierstil (17. Ausg.)

Doughty, Catherine J., und Jessica Williams. Focus on Form in Classroom Second Language Acquisition. Nueva York: Cambridge University, 1998.

MLA-Zitierstil (9. Ausg.)

Doughty, Catherine J., und Jessica Williams. Focus on Form in Classroom Second Language Acquisition. Cambridge University, 1998.