Hoàng Giang. (2009). Nghiệp vụ thư ký văn phòng. Hà Nội: Văn hóa thông tin.
শিকাগো স্টাইলে সাইটেশনHoàng Giang. Nghiệp Vụ Thư Ký Văn Phòng. Hà Nội: Văn hóa thông tin, 2009.
এমএলএ সাইটেশনHoàng Giang. Nghiệp Vụ Thư Ký Văn Phòng. Hà Nội: Văn hóa thông tin, 2009.
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