Hartley, B., & Viney, P. (1989). American streamline: Connections : An intensive American english course for intermediate student. Đồng Nai: Nxb. Đồng Nai.
Chicago-стиль цитированияHartley, Bernard, và Peter Viney. American Streamline: Connections : An Intensive American English Course for Intermediate Student. Đồng Nai: Nxb. Đồng Nai, 1989.
MLA-цитированиеHartley, Bernard, và Peter Viney. American Streamline: Connections : An Intensive American English Course for Intermediate Student. Đồng Nai: Nxb. Đồng Nai, 1989.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.