(2013). English for effective communication: Begining to Pre-Intermediate-Student's Book. Cần Thơ: Đại học Cần Thơ.
Παραπομπή Chicago StyleEnglish for Effective Communication: Begining to Pre-Intermediate-Student's Book. Cần Thơ: Đại học Cần Thơ, 2013.
Παραπομπή MLAEnglish for Effective Communication: Begining to Pre-Intermediate-Student's Book. Cần Thơ: Đại học Cần Thơ, 2013.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.