Cita APA (7th ed.)

Murphy, R., & Smalzer, W. R. (2002). Basic grammar in use: Reference and practice for students of english (Second edition.). Cambridge University Press.

Cita Chicago (17th ed.)

Murphy, Raymond, i William R. Smalzer. Basic Grammar in Use: Reference and Practice for Students of English. Second edition. Cambridge: Cambridge University Press, 2002.

Cita MLA (9th ed.)

Murphy, Raymond, i William R. Smalzer. Basic Grammar in Use: Reference and Practice for Students of English. Second edition. Cambridge University Press, 2002.