APA aipamena

Gopal Krishan. (2006). Map Series 6 India: Higher Age Longevity Districts, 2001.

Chicago Style aipamena

Gopal Krishan. Map Series 6 India: Higher Age Longevity Districts, 2001. MAN AND DEVELOPMENT, 2006.

MLA aipamena

Gopal Krishan. Map Series 6 India: Higher Age Longevity Districts, 2001. 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.