Lua APA (7ú heag.)

Gatdula, D. (2001). Napocor, GSIS feud heats up. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Gatdula, Donnabelle. "Napocor, GSIS Feud Heats Up." Philippine Star 2001.

Lua MLA (9ú heag.)

Gatdula, Donnabelle. "Napocor, GSIS Feud Heats Up." Philippine Star, 2001.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.