Lua APA (7ú heag.)

Dela Peña, Z. B. (2005). SM investments mulls P17-B IPO. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Dela Peña, Zinnia B. "SM Investments Mulls P17-B IPO." Philippine Star 2005.

Lua MLA (9ú heag.)

Dela Peña, Zinnia B. "SM Investments Mulls P17-B IPO." Philippine Star, 2005.

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