APA Citatie

Douglas Biber ... [et al.]. (1999). Longman grammar of spoken and written english. England: Longman.

Chicago Style citaat

Douglas Biber ... [et al.]. Longman Grammar of Spoken and Written English. England: Longman, 1999.

MLA citatie

Douglas Biber ... [et al.]. Longman Grammar of Spoken and Written English. England: Longman, 1999.

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