Singh, K., & Shishodia, A. (2016). Environmental economics. Sage Texts.
芝加哥风格引文Singh, Katar, 与 Anil Shishodia. Environmental Economics. New Delhi: Sage Texts, 2016.
MLA引文Singh, Katar, 与 Anil Shishodia. Environmental Economics. Sage Texts, 2016.
警告：这些引文格式不一定是100％准确.