Boyer,Susan, & Susan Boyer. (2004). Understanding english pronunciation: An integrated practice course. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh.
استشهاد بنمط شيكاغوBoyer,Susan, و Susan Boyer. Understanding English Pronunciation: An Integrated Practice Course. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2004.
MLA استشهادBoyer,Susan, و Susan Boyer. Understanding English Pronunciation: An Integrated Practice Course. Tp. Hồ Chí Minh: Tổng hợp Tp. Hồ Chí Minh, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.