एपीए उद्धरण

Swan, M., & Lê Ngọc Phương Anh. (2010). Practical English usage (Second edition.). Tp. HCM: Trẻ.

शिकागो स्टाइल उद्धरण

Swan, Michael., और Lê Ngọc Phương Anh. Practical English Usage. Second edition. Tp. HCM: Trẻ, 2010.

एमएलए उद्धरण

Swan, Michael., और Lê Ngọc Phương Anh. Practical English Usage. Second edition. Tp. HCM: Trẻ, 2010.