Lua APA (7ú heag.)

Estrella, C. (2003). RM's leadership by example. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Estrella, Conrado. "RM's Leadership by Example." Philippine Star 2003.

Lua MLA (9ú heag.)

Estrella, Conrado. "RM's Leadership by Example." Philippine Star, 2003.

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