APA引文

Ta Van Thong., & Ta Quang Tung. Survival of Languages in Vietnam at Present.

Trích dẫn kiểu Chicago

Ta Van Thong., và Ta Quang Tung. Survival of Languages in Vietnam At Present.

MLA引文

Ta Van Thong., và Ta Quang Tung. Survival of Languages in Vietnam At Present.

警告：这些引文格式不一定是100％准确.