Pan, I. L. (1997). Napocor to adopt new rate school this year. Manila Times.
Lua i Stíl Chicago (17ú heag.)Pan, Isabel L. "Napocor to Adopt New Rate School This Year." Manila Times 1997.
Lua MLA (9ú heag.)Pan, Isabel L. "Napocor to Adopt New Rate School This Year." Manila Times, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.