Rajaram Kalpana, Suri R.K, & Vidya R. (2023). Developments In Science And Technology: For UPSC Civil Services Mains and Prelims General Studies (31st ed.). Spectrum Books.
Chicago (17e ed.) BronvermeldingRajaram Kalpana, Suri R.K, en Vidya R. Developments In Science And Technology: For UPSC Civil Services Mains and Prelims General Studies. 31st ed. New Delhi: Spectrum Books, 2023.
MLA (9e ed.) BronvermeldingRajaram Kalpana, et al. Developments In Science And Technology: For UPSC Civil Services Mains and Prelims General Studies. 31st ed. Spectrum Books, 2023.
Let op: Deze citaties zijn niet altijd 100% accuraat.