Singh, A. K. (2008). Science and technology for civil services examinations. Tata Mc-Graw Hill.
Chicago ZitierstilSingh, Ashok Kumar. Science and Technology for Civil Services Examinations. New Delhi: Tata Mc-Graw Hill, 2008.
MLA ZitierstilSingh, Ashok Kumar. Science and Technology for Civil Services Examinations. Tata Mc-Graw Hill, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.