Niu, Z. (2002). Tang dai bei shi yu wen hua yan jiu (Di 1 ban.). San Qin chu ban she.
Chicago Style (17th ed.) CitationNiu, Zhigong. Tang Dai Bei Shi Yu Wen Hua Yan Jiu. Di 1 ban. Xi'an Shi: San Qin chu ban she, 2002.
MLA (9th ed.) CitationNiu, Zhigong. Tang Dai Bei Shi Yu Wen Hua Yan Jiu. Di 1 ban. San Qin chu ban she, 2002.
Warning: These citations may not always be 100% accurate.