Singh, A. K. (2013). Science & Technology for civil services examinations. Tata Mc Graw Hill.
Style de citation ChicagoSingh, Ashok Kumar. Science & Technology for Civil Services Examinations. New Delhi: Tata Mc Graw Hill, 2013.
Style de citation MLASingh, Ashok Kumar. Science & Technology for Civil Services Examinations. Tata Mc Graw Hill, 2013.
Attention : ces citations peuvent ne pas être correctes à 100%.