एपीए उद्धरण

Li, X., & Liu, X. (2020). Green Development Model of China’s Small and Medium-sized Cities. Springer Singapore.

शिकागो स्टाइल उद्धरण

Li, Xuefeng, और Xuke Liu. Green Development Model of China’s Small and Medium-sized Cities. Springer Singapore, 2020.

एमएलए उद्धरण

Li, Xuefeng, और Xuke Liu. Green Development Model of China’s Small and Medium-sized Cities. Springer Singapore, 2020.