APA引文

Singh, A. K. (2008). Science and technology for civil services examinations. Tata Mc-Graw Hill.

Chicago Edition Citation

Singh, Ashok Kumar. Science and Technology for Civil Services Examinations. New Delhi: Tata Mc-Graw Hill, 2008.

MLA引文

Singh, Ashok Kumar. Science and Technology for Civil Services Examinations. Tata Mc-Graw Hill, 2008.

警告：這些引文格式不一定是100％准確.