Cita APA

Murphy, R., & Altman, R. (1989). Grammar in use: Reference and practice for intermediate students of English. Cambridge: Cambridge University Press.

Citación estilo Chicago

Murphy, Raymond, y Roann Altman. Grammar in Use: Reference and Practice for Intermediate Students of English. Cambridge: Cambridge University Press, 1989.

Cita MLA

Murphy, Raymond, y Roann Altman. Grammar in Use: Reference and Practice for Intermediate Students of English. Cambridge: Cambridge University Press, 1989.