APA (7e ed.) Bronvermelding

Lock, G. Functional english grammar. An introduction for second language teachers (2a ed.).

Chicago (17e ed.) Bronvermelding

Lock, Graham. Functional English Grammar. An Introduction for Second Language Teachers. 2a ed.

MLA (8e ed.) Bronvermelding

Lock, Graham. Functional English Grammar. An Introduction for Second Language Teachers. 2a ed.

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