Cita APA (7th ed.)

MURPHY, R. (1993). Basic grammar in use: Reference and practice for stu-dents of english. Cambridge University Press.

Cita Chicago (17th ed.)

MURPHY, Raymond. Basic Grammar in Use: Reference and Practice for Stu-dents of English. New York: Cambridge University Press, 1993.

Cita MLA (9th ed.)

MURPHY, Raymond. Basic Grammar in Use: Reference and Practice for Stu-dents of English. Cambridge University Press, 1993.