(2002). Tiếng Anh dành cho thư ký = Practical English for secretaries. Tp. HCM: Tp. HCM.
Παραπομπή Chicago StyleTiếng Anh Dành Cho Thư Ký = Practical English for Secretaries. Tp. HCM: Tp. HCM, 2002.
Παραπομπή MLATiếng Anh Dành Cho Thư Ký = Practical English for Secretaries. Tp. HCM: Tp. HCM, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.