APA aipamena

HINDU. (2001). SURVEYING OF THE ENVIRONMENT. THE HINDU.

Chicago Style aipamena

HINDU. SURVEYING OF THE ENVIRONMENT. MUMBAI: THE HINDU, 2001.

MLA aipamena

HINDU. SURVEYING OF THE ENVIRONMENT. THE HINDU, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.