APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Rajaram Kalpana, Suri R.K, এবং Vidya R. Developments In Science And Technology: For UPSC Civil Services Mains and Prelims General Studies. 31st ed. New Delhi: Spectrum Books, 2023.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Rajaram Kalpana, et al. Developments In Science And Technology: For UPSC Civil Services Mains and Prelims General Studies. 31st ed. Spectrum Books, 2023.