APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.