Nguyễn Đức Nghĩa., & Nguyễn To Thành. (1999). Toán rời rạc. Hà Nội: Giáo dục.
শিকাগো স্টাইলে সাইটেশনNguyễn Đức Nghĩa., এবং Nguyễn To Thành. Toán Rời Rạc. Hà Nội: Giáo dục, 1999.
এমএলএ সাইটেশনNguyễn Đức Nghĩa., এবং Nguyễn To Thành. Toán Rời Rạc. Hà Nội: Giáo dục, 1999.
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