APA Citatie

Putlack, M. A., & Poirier, S. (2012). How to master skills for the TOEFL IBT writing advanced. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh.

Chicago Style citaat

Putlack, Michael A., en Stephen Poirier. How to Master Skills for the TOEFL IBT Writing Advanced. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, 2012.

MLA citatie

Putlack, Michael A., en Stephen Poirier. How to Master Skills for the TOEFL IBT Writing Advanced. T.P. Hồ Chí Minh: Tổng hợp T.P. Hồ Chí Minh, 2012.