APA引文

Singh, A. K. (2013). Science & Technology for civil services examinations. Tata Mc Graw Hill.

Chicago Edition Citation

Singh, Ashok Kumar. Science & Technology for Civil Services Examinations. New Delhi: Tata Mc Graw Hill, 2013.

MLA引文

Singh, Ashok Kumar. Science & Technology for Civil Services Examinations. Tata Mc Graw Hill, 2013.

警告：這些引文格式不一定是100％准確.