توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Cheng-Yih, C. (2011). Notation, Algorith & Derivation in early Mathematics in China. Variantology 5 : neapolitain affairs : on deep time relations of arts, sciences and technologies.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Cheng-Yih, Chen. "Notation, Algorith & Derivation in Early Mathematics in China." Variantology 5 : Neapolitain Affairs : On Deep Time Relations of Arts, Sciences and Technologies 2011.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Cheng-Yih, Chen. "Notation, Algorith & Derivation in Early Mathematics in China." Variantology 5 : Neapolitain Affairs : On Deep Time Relations of Arts, Sciences and Technologies, 2011.