APA引文
Lall, M., & Shikha Sahai. (2008). Fundamentals of environmental studies (2nd ed.). Excel Books.
芝加哥风格引文
Lall, Madhurima, 与 Shikha Sahai. Fundamentals of Environmental Studies. 2nd ed. New Delhi: Excel Books, 2008.
MLA引文
Lall, Madhurima, 与 Shikha Sahai. Fundamentals of Environmental Studies. 2nd ed. Excel Books, 2008.
警告:这些引文格式不一定是100%准确.