Shape, P. J., Trương Hùng,, & Nguyễn Quang Huy. (2000). How to prepare for the TOEFL test of English as a foreign language. Hà Nội: Thanh niên.
استشهاد بنمط شيكاغوShape, Palmela J., Trương Hùng, و Nguyễn Quang Huy. How to Prepare for the TOEFL Test of English As a Foreign Language. Hà Nội: Thanh niên, 2000.
MLA استشهادShape, Palmela J., Trương Hùng, و Nguyễn Quang Huy. How to Prepare for the TOEFL Test of English As a Foreign Language. Hà Nội: Thanh niên, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.