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.
استشهاد بنمط شيكاغوPutlack, Michael A., و 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.
MLA استشهادPutlack, Michael A., و 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.