Lua APA (7ú heag.)

Villanueva, M. A., & Diaz, J. (2003). GMA to GSIS: Explain art investments. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Villanueva, Marichu A., agus Jess Diaz. "GMA to GSIS: Explain Art Investments." Philippine Star 2003.

Lua MLA (9ú heag.)

Villanueva, Marichu A., agus Jess Diaz. "GMA to GSIS: Explain Art Investments." Philippine Star, 2003.

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