Lua APA (7ú heag.)

Constantino, G. (2001). Exec cites role of HMO's. Manila Bulletin.

Lua i Stíl Chicago (17ú heag.)

Constantino, Gerry. "Exec Cites Role of HMO's." Manila Bulletin 2001.

Lua MLA (9ú heag.)

Constantino, Gerry. "Exec Cites Role of HMO's." Manila Bulletin, 2001.

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