Cita APA

Biber, D., Conrad, S., & Leech, G. (2016). Longman student grammar of spoken and written English (First [edition].). Harlow: Longman.

Citación estilo Chicago

Biber, Douglas, Susan Conrad, y Geoffrey Leech. Longman Student Grammar of Spoken and Written English. First [edition]. Harlow: Longman, 2016.

Cita MLA

Biber, Douglas, Susan Conrad, y Geoffrey Leech. Longman Student Grammar of Spoken and Written English. First [edition]. Harlow: Longman, 2016.