Anderson Kenneth & Maclean Joan. (2004). Study speaking: A course in spoken english for academic purpose (2nd.). Cambridge.
Cita Chicago (17th ed.)Anderson Kenneth i Maclean Joan. Study Speaking: A Course in Spoken English for Academic Purpose. 2nd. Delhi: Cambridge, 2004.
Cita MLA (9th ed.)Anderson Kenneth i Maclean Joan. Study Speaking: A Course in Spoken English for Academic Purpose. 2nd. Cambridge, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.