एपीए उद्धरण

Putlack, M. A., & Poirier, S. (2008). How to master skills for the toefl R iBT Writing Advanced. Tp. Hồ Chí Minh: Nxb. Tổng hợp Tp. Hồ Chí Minh.

शिकागो स्टाइल उद्धरण

Putlack, Michael A., और Stephen Poirier. How to Master Skills for the Toefl R IBT Writing Advanced. Tp. Hồ Chí Minh: Nxb. Tổng hợp Tp. Hồ Chí Minh, 2008.

एमएलए उद्धरण

Putlack, Michael A., और Stephen Poirier. How to Master Skills for the Toefl R IBT Writing Advanced. Tp. Hồ Chí Minh: Nxb. Tổng hợp Tp. Hồ Chí Minh, 2008.