APA (7e ed.) Bronvermelding

Koo, G. S. (2000). The good, the bad and the urgly: Teachers' pets and pet peeves. Philippine Daily Inquirer.

Chicago (17e ed.) Bronvermelding

Koo, Grace S. "The Good, the Bad and the Urgly: Teachers' Pets and Pet Peeves." Philippine Daily Inquirer 2000.

MLA (9e ed.) Bronvermelding

Koo, Grace S. "The Good, the Bad and the Urgly: Teachers' Pets and Pet Peeves." Philippine Daily Inquirer, 2000.