Cita APA (7th ed.)

Murphy, R. (1993). Basic grammar in use: Reference and practice for students of english. Cambridge University Press.

Cita Chicago (17th ed.)

Murphy, Raymond. Basic Grammar in Use: Reference and Practice for Students of English. United Kingdom: Cambridge University Press, 1993.

Cita MLA (9th ed.)

Murphy, Raymond. Basic Grammar in Use: Reference and Practice for Students of English. Cambridge University Press, 1993.