Echeminada, P. (1998). Erap's supporting cast: Cerilles : DENR post is dream come true. Philippine Star.
Tohutoru Kātū Chicago (17th ed.)Echeminada, Perseus. "Erap's Supporting Cast: Cerilles : DENR Post Is Dream Come True." Philippine Star 1998.
Tohutoro MLA (9th ed.)Echeminada, Perseus. "Erap's Supporting Cast: Cerilles : DENR Post Is Dream Come True." Philippine Star, 1998.
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