Lua APA (7ú heag.)

Dela Peña, Z. B. (2003). GSIS forms P30-B real estate arm. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Dela Peña, Zinnia B. "GSIS Forms P30-B Real Estate Arm." Philippine Star 2003.

Lua MLA (9ú heag.)

Dela Peña, Zinnia B. "GSIS Forms P30-B Real Estate Arm." Philippine Star, 2003.

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