Doronila, A. (1999). Cha-cha. IN Analysis [column]: Master key to prosperity. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoronila, Amando. "Cha-cha. IN Analysis [column]: Master Key to Prosperity." Philippine Daily Inquirer 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDoronila, Amando. "Cha-cha. IN Analysis [column]: Master Key to Prosperity." Philippine Daily Inquirer, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.