Richards, J. C., Aldcorn, S. B., Lê Huy Lâm, & Trương Hoàng Duy. (1998). Person to person: Communicative speaking and listening skills. Tp. Hồ Chí Minh: Nbx. Tp. Hồ Chí Minh.
Παραπομπή Chicago StyleRichards, Jack C., Sue Brioux Aldcorn, Lê Huy Lâm, και Trương Hoàng Duy. Person to Person: Communicative Speaking and Listening Skills. Tp. Hồ Chí Minh: Nbx. Tp. Hồ Chí Minh, 1998.
Παραπομπή MLARichards, Jack C., Sue Brioux Aldcorn, Lê Huy Lâm, και Trương Hoàng Duy. Person to Person: Communicative Speaking and Listening Skills. Tp. Hồ Chí Minh: Nbx. Tp. Hồ Chí Minh, 1998.
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