एपीए उद्धरण

Azar, B. S., & Betty Schrampfer Azar; Lê Thành Tâm; Lê Ngọc Phương Anh. (2007). Understanding and using english grammar. Tp. Hồ Chí Minh: Trẻ.

शिकागो स्टाइल उद्धरण

Azar, Betty Schrampfer, और Betty Schrampfer Azar; Lê Thành Tâm; Lê Ngọc Phương Anh. Understanding and Using English Grammar. Tp. Hồ Chí Minh: Trẻ, 2007.

एमएलए उद्धरण

Azar, Betty Schrampfer, और Betty Schrampfer Azar; Lê Thành Tâm; Lê Ngọc Phương Anh. Understanding and Using English Grammar. Tp. Hồ Chí Minh: Trẻ, 2007.