Lua APA (7ú heag.)

Gatdula, D. (2002). Napocor debt soars to P309B. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Gatdula, Donabelle. "Napocor Debt Soars to P309B." Philippine Star 2002.

Lua MLA (9ú heag.)

Gatdula, Donabelle. "Napocor Debt Soars to P309B." Philippine Star, 2002.

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