APA引文

Singh,Ashok Kumar. (2008). Science & Technology for civil services Examinations. Tata McGraw-Hill.

Chicago Edition Citation

Singh,Ashok Kumar. Science & Technology for Civil Services Examinations. New Delhi: Tata McGraw-Hill, 2008.

MLA引文

Singh,Ashok Kumar. Science & Technology for Civil Services Examinations. Tata McGraw-Hill, 2008.

警告：这些引文格式不一定是100％准确.