APA সাইটেশন

Raju, A., & Laxman Rao. (1997). Universe of knowledge: Its development and structure. Ess Ess.

শিকাগো স্টাইলে সাইটেশন

Raju, A.A.N, এবং Laxman Rao. Universe of Knowledge: Its Development and Structure. New Delhi: Ess Ess, 1997.

এমএলএ সাইটেশন

Raju, A.A.N, এবং Laxman Rao. Universe of Knowledge: Its Development and Structure. Ess Ess, 1997.