Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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

Attention : ces citations peuvent ne pas être correctes à 100%.