Cita APA
Murphy, R. (1997). Essential grammar in use (2a. ed.). At the University Press.
Citación estilo Chicago
Murphy, Raymond. Essential Grammar in Use. 2a. ed. Cambridge: At the University Press, 1997.
Cita MLA
Murphy, Raymond. Essential Grammar in Use. 2a. ed. At the University Press, 1997.
Warning: These citations may not always be 100% accurate.