APA aipamena

Villanueva, M. A. (2001). Banker named energy chief / Marichu Villanueva and Donnabelle Gatcula. Philippine Star.

Chicago Style aipamena

Villanueva, Marichu A. "Banker Named Energy Chief / Marichu Villanueva and Donnabelle Gatcula." Philippine Star 2001.

MLA aipamena

Villanueva, Marichu A. "Banker Named Energy Chief / Marichu Villanueva and Donnabelle Gatcula." Philippine Star, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.