APA (7e ed.) Bronvermelding

Biber, D. (2002). Longman student grammar of spoken and written English. Longman.

Chicago (17e ed.) Bronvermelding

Biber, Douglas. Longman Student Grammar of Spoken and Written English. Harlow: Longman, 2002.

MLA (9e ed.) Bronvermelding

Biber, Douglas. Longman Student Grammar of Spoken and Written English. Longman, 2002.

Let op: Deze citaties zijn niet altijd 100% accuraat.