Geoffrey Leech, J. S. (2002). <A >comunicative grammar of english. Pearson Education.
Chicago Style (17th ed.) CitationGeoffrey Leech, Jan Svartvik. <A >comunicative Grammar of English. Pearson Education, 2002.
Cita MLAGeoffrey Leech, Jan Svartvik. <A >comunicative Grammar of English. Pearson Education, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.