Tran, X. D. (2009). US Culture thru Speaking: Students' book. H: University of Education Publishing house.
Παραπομπή Chicago StyleTran, Xuan Diep. US Culture Thru Speaking: Students' Book. H: University of Education Publishing house, 2009.
Παραπομπή MLATran, Xuan Diep. US Culture Thru Speaking: Students' Book. H: University of Education Publishing house, 2009.
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