APA引文

Singh, S. (2011). Geography for State Civil Services and other competitive examinations. Mc Graw Hill.

Chicago Edition Citation

Singh, Surender. Geography for State Civil Services and Other Competitive Examinations. New Delhi: Mc Graw Hill, 2011.

MLA引文

Singh, Surender. Geography for State Civil Services and Other Competitive Examinations. Mc Graw Hill, 2011.

警告：这些引文格式不一定是100％准确.