De Guzman, S. A. (1998). Putting the office system into your home. IN House-smart [column]. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe Guzman, Susan A. "Putting the Office System into Your Home. IN House-smart [column]." Philippine Daily Inquirer 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDe Guzman, Susan A. "Putting the Office System into Your Home. IN House-smart [column]." Philippine Daily Inquirer, 1998.
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