APA (7. basım) Alıntı

Katigbak, A. F. (2005). UP honors former energy secretary. Philippine Star.

Chicago Style (17. basım) Atıf

Katigbak, Antonio F. "UP Honors Former Energy Secretary." Philippine Star 2005.

MLA (9th ed.) Atıf

Katigbak, Antonio F. "UP Honors Former Energy Secretary." Philippine Star, 2005.