APA aipamena

Villegas, B. M. (1997). No such thing as population explosion. Manila Bulletin.

Chicago Style aipamena

Villegas, Bernardo M. "No Such Thing as Population Explosion." Manila Bulletin 1997.

MLA aipamena

Villegas, Bernardo M. "No Such Thing as Population Explosion." Manila Bulletin, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.