APA引文

Singh, A. K. K. (1987). Forest resources, economy and environment. Concept Publishing Company.

Chicago Edition Citation

Singh, A. K. Kumra. Forest Resources, Economy and Environment. New Delhi: Concept Publishing Company, 1987.

MLA引文

Singh, A. K. Kumra. Forest Resources, Economy and Environment. Concept Publishing Company, 1987.

警告：這些引文格式不一定是100％准確.