Zheng, M. (1997). Bi yan: 4 juan. Qi Lu shu she.
Chicago Style (17th ed.) CitationZheng, Ming. Bi Yan: 4 Juan. Jinan: Qi Lu shu she, 1997.
MLA (9th ed.) CitationZheng, Ming. Bi Yan: 4 Juan. Qi Lu shu she, 1997.
Warning: These citations may not always be 100% accurate.