Singh, A. K. (2013). Science & Technology for civil services examinations. Tata Mc Graw Hill.
Chicago Style citaatSingh, Ashok Kumar. Science & Technology for Civil Services Examinations. New Delhi: Tata Mc Graw Hill, 2013.
MLA citatieSingh, Ashok Kumar. Science & Technology for Civil Services Examinations. Tata Mc Graw Hill, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.