Cita APA

Murphy, R., & Smalzer, W. R. (2011). Basic grammar in use with answers: Self-study reference and practice for students of North American English (3. edition.). Cambridge: Cambridge University Press.

Citación estilo Chicago

Murphy, Raymond, y William R. Smalzer. Basic Grammar in Use With Answers: Self-study Reference and Practice for Students of North American English. 3. edition. Cambridge: Cambridge University Press, 2011.

Cita MLA

Murphy, Raymond, y William R. Smalzer. Basic Grammar in Use With Answers: Self-study Reference and Practice for Students of North American English. 3. edition. Cambridge: Cambridge University Press, 2011.