Cita APA (7th ed.)

MURPHY, R., & ALTMAN, R. (1989). Grammar in use: Reference and practice for intermediatestudents of english. Cambridge Univ. Press.

Cita Chicago (17th ed.)

MURPHY, Raymond, i Roann ALTMAN. Grammar in Use: Reference and Practice for Intermediatestudents of English. New York: Cambridge Univ. Press, 1989.

Cita MLA (9th ed.)

MURPHY, Raymond, i Roann ALTMAN. Grammar in Use: Reference and Practice for Intermediatestudents of English. Cambridge Univ. Press, 1989.