Doronila, A. (1999). Cha-cha. IN Analysis [column]: Master key to prosperity. Philippine Daily Inquirer.
Chicago Style aipamenaDoronila, Amando. "Cha-cha. IN Analysis [column]: Master Key to Prosperity." Philippine Daily Inquirer 1999.
MLA aipamenaDoronila, Amando. "Cha-cha. IN Analysis [column]: Master Key to Prosperity." Philippine Daily Inquirer, 1999.
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