APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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