Boyer,Susan, & Susan Boyer. (2004). Understanding english pronunciation: An integrated practice course. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh.
Čikaški stil citiranjaBoyer,Susan, i Susan Boyer. Understanding English Pronunciation: An Integrated Practice Course. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2004.
MLA način citiranjaBoyer,Susan, i Susan Boyer. Understanding English Pronunciation: An Integrated Practice Course. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2004.
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