MACKAY LAN. (2000). LISTENING SKILLS (2ND.). UNIVERSITY PRESS.
Cita Chicago Style (17a ed.)MACKAY LAN. LISTENING SKILLS. 2ND. HYDERABAS: UNIVERSITY PRESS, 2000.
Cita MLA (9a ed.)MACKAY LAN. LISTENING SKILLS. 2ND. UNIVERSITY PRESS, 2000.
Precaución: Estas citas no son 100% exactas.