Lua APA (7ú heag.)

Porcalla, D. (2004). Congress upheld validity of Smokey Mountain development. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Porcalla, Delon. "Congress Upheld Validity of Smokey Mountain Development." Philippine Star 2004.

Lua MLA (9ú heag.)

Porcalla, Delon. "Congress Upheld Validity of Smokey Mountain Development." Philippine Star, 2004.

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