Hindu. (2001). Survey of the environment 2001. Kasturi & Sons.
Chicago Style aipamenaHindu. Survey of the Environment 2001. Chennai: Kasturi & Sons, 2001.
MLA aipamenaHindu. Survey of the Environment 2001. Kasturi & Sons, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.