Lua APA (7ú heag.)

Banal,Conrado III. Piece of mines. IN Business. Philippine Daily Inquirer.

Lua i Stíl Chicago (17ú heag.)

Banal,Conrado III. "Piece of Mines. IN Business." Philippine Daily Inquirer .

Lua MLA (9ú heag.)

Banal,Conrado III. "Piece of Mines. IN Business." Philippine Daily Inquirer, .

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