Παραπομπή APA

Tran, X. D. (2009). US culture thru speaking: Students' book. Hà Nội: Đại Học Sư Phạm.

Παραπομπή Chicago Style

Tran, Xuan Diep. US Culture Thru Speaking: Students' Book. Hà Nội: Đại Học Sư Phạm, 2009.

Παραπομπή MLA

Tran, Xuan Diep. US Culture Thru Speaking: Students' Book. Hà Nội: Đại Học Sư Phạm, 2009.

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