Koo, G. S. (2000). The good, the bad and the urgly: Teachers' pets and pet peeves. Philippine Daily Inquirer.
Chicago Style (17. basım) AtıfKoo, Grace S. "The Good, the Bad and the Urgly: Teachers' Pets and Pet Peeves." Philippine Daily Inquirer 2000.
MLA (9th ed.) AtıfKoo, Grace S. "The Good, the Bad and the Urgly: Teachers' Pets and Pet Peeves." Philippine Daily Inquirer, 2000.
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