Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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