Dela Curz, P. A. (1999). Is it overpopulation or overconsumption. IN Commentary [column]. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDela Curz, Pennie Azarcon. "Is It Overpopulation or Overconsumption. IN Commentary [column]." Philippine Daily Inquirer 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDela Curz, Pennie Azarcon. "Is It Overpopulation or Overconsumption. IN Commentary [column]." Philippine Daily Inquirer, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.