Cita APA (7a ed.)
Murphy, R., Altman, R., & Key, A. (1996). Grammar in use: Reference and practice for intermediate students of english. The University Press.
Cita Chicago Style (17a ed.)
Murphy, Raymond, Roann Altman, y Answer Key. Grammar in Use: Reference and Practice for Intermediate Students of English. Cambridge: The University Press, 1996.
Cita MLA (9a ed.)
Murphy, Raymond, et al. Grammar in Use: Reference and Practice for Intermediate Students of English. The University Press, 1996.
Precaución: Estas citas no son 100% exactas.