Agence France-Presse. (2012). Older dads produce better offspring - study. Philippine Star.
Cita Chicago (17th ed.)Agence France-Presse. "Older Dads Produce Better Offspring - Study." Philippine Star 2012.
Cita MLA (9th ed.)Agence France-Presse. "Older Dads Produce Better Offspring - Study." Philippine Star, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.