APA-referens (7:e uppl.)

Crisostomo, I. T. (2001). Writing books is hard but rewarding. Philippine Star.

Chicago-referens (17:e uppl.)

Crisostomo, Isabelo T. "Writing Books Is Hard but Rewarding." Philippine Star 2001.

MLA-referens (9:e uppl.)

Crisostomo, Isabelo T. "Writing Books Is Hard but Rewarding." Philippine Star, 2001.