Cita APA

Murphy, R., & Smalzer, W. R. (2002). Basic grammar in use: Reference and practice for students of english (2a ed.). New York: Cambridge University Press.

Citación estilo Chicago

Murphy, Raymond, y William R. Smalzer. Basic Grammar in Use: Reference and Practice for Students of English. 2a ed. New York: Cambridge University Press, 2002.

Cita MLA

Murphy, Raymond, y William R. Smalzer. Basic Grammar in Use: Reference and Practice for Students of English. 2a ed. New York: Cambridge University Press, 2002.