Shukla, O. (2013). Environment protection Law. Agrotech Press.
Chicago Style aipamenaShukla, O.P. Environment Protection Law. New Delhi: Agrotech Press, 2013.
MLA aipamenaShukla, O.P. Environment Protection Law. Agrotech Press, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.