APA (7th ed.) Citation

Geoffrey Leech, J. S. (2002). <A >comunicative grammar of english. Pearson Education.

Chicago Style (17th ed.) Citation

Geoffrey Leech, Jan Svartvik. <A >comunicative Grammar of English. Pearson Education, 2002.

MLA (8th ed.) Citation

Geoffrey Leech, Jan Svartvik. <A >comunicative Grammar of English. Pearson Education, 2002.

Warning: These citations may not always be 100% accurate.