Foo, S. Y., & Xu, X. (2008). Speak Mandarin campaign in the 21st century: Examining the awareness and attitudes of NTU undergraduates.
استشهاد بنمط شيكاغوFoo, Sheryl Yunwen., و Xiaoge Xu. Speak Mandarin Campaign in the 21st Century: Examining the Awareness and Attitudes of NTU Undergraduates. 2008.
MLA استشهادFoo, Sheryl Yunwen., و Xiaoge Xu. Speak Mandarin Campaign in the 21st Century: Examining the Awareness and Attitudes of NTU Undergraduates. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.