APA (7 वां संस्करण) प्रशस्ति पत्र

Chua, Q. N. L. (1998). What is toothpaste made of? Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Chua, Queena N. Lee. "What Is Toothpaste Made of?" Philippine Daily Inquirer 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Chua, Queena N. Lee. "What Is Toothpaste Made of?" Philippine Daily Inquirer, 1998.