Hartley, B., & Viney, P. (1989). American streamline: Destinations : An intensive American english course for advanced students. Đồng Nai: Nxb. Đồng Nai.
Παραπομπή Chicago StyleHartley, Bernard, και Peter Viney. American Streamline: Destinations : An Intensive American English Course for Advanced Students. Đồng Nai: Nxb. Đồng Nai, 1989.
Παραπομπή MLAHartley, Bernard, και Peter Viney. American Streamline: Destinations : An Intensive American English Course for Advanced Students. Đồng Nai: Nxb. Đồng Nai, 1989.
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