Longman student grammar of spoken and written English

MLA

Biber, Douglas, Susan Conrad, and Geoffrey N Leech. Longman Student Grammar of Spoken and Written English. Harlow, Essex: Longman, 2002.

APA

Biber, D., Conrad, S., & Leech, G. N. (2002). Longman student grammar of spoken and written English. Harlow, Essex: Longman.

Chicago

Biber, Douglas., Susan Conrad, and Geoffrey N Leech. Longman Student Grammar of Spoken and Written English. Harlow, Essex: Longman, 2002.