Chaudhary, V. (2000). Environmental protection. Pointer Publishers.
Chicago Style aipamenaChaudhary, Vimlesh. Environmental Protection. Jaipur: Pointer Publishers, 2000.
MLA aipamenaChaudhary, Vimlesh. Environmental Protection. Pointer Publishers, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.