Ranjeet & Bharatendu Prakash. (1993). Paryavaran aur vikas. Sahitya Ratnakar.
Chicago Edition CitationRanjeet i Bharatendu Prakash. Paryavaran Aur Vikas. Kanpur: Sahitya Ratnakar, 1993.
Cita MLARanjeet i Bharatendu Prakash. Paryavaran Aur Vikas. Sahitya Ratnakar, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.