APA aipamena

Manalo, A. (2000). The longevity problem. Manila Times.

Chicago Style aipamena

Manalo, Armando. "The Longevity Problem." Manila Times 2000.

MLA aipamena

Manalo, Armando. "The Longevity Problem." Manila Times, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.