Cita APA

Leech, G. N. (1992). A Communicative grammar of english ([1a. ed., 19a. reimp.].). London: Longman.

Citación estilo Chicago

Leech, Geoffrey N. A Communicative Grammar of English. [1a. ed., 19a. reimp.]. London: Longman, 1992.

Cita MLA

Leech, Geoffrey N. A Communicative Grammar of English. [1a. ed., 19a. reimp.]. London: Longman, 1992.