APA aipamena

Ferraro, K. F. (1997). Gerontology: Perspectives and issues. New York: Springer.

Chicago Style aipamena

Ferraro, Kenneth F. Gerontology: Perspectives and Issues. New York: Springer, 1997.

MLA aipamena

Ferraro, Kenneth F. Gerontology: Perspectives and Issues. New York: Springer, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.