Cita APA

Murphy, R., & Smalzer, W. R. (2011). Basic grammar in use: Self-study reference and practice for students of North American English (Third edition, 15th printing.). Cambridge: Cambridge University Press.

Citación estilo Chicago

Murphy, Raymond,, y William R. Smalzer. Basic Grammar in Use: Self-study Reference and Practice for Students of North American English. Third edition, 15th printing. Cambridge: Cambridge University Press, 2011.

Cita MLA

Murphy, Raymond,, y William R. Smalzer. Basic Grammar in Use: Self-study Reference and Practice for Students of North American English. Third edition, 15th printing. Cambridge: Cambridge University Press, 2011.