Tran, X. D. (2009). US culture thru speaking: Teachers' book. Hà Nội: Đại Học Sư Phạm.
শিকাগো স্টাইলে সাইটেশনTran, Xuan Diep. US Culture Thru Speaking: Teachers' Book. Hà Nội: Đại Học Sư Phạm, 2009.
এমএলএ সাইটেশনTran, Xuan Diep. US Culture Thru Speaking: Teachers' Book. Hà Nội: Đại Học Sư Phạm, 2009.
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