Koo, G. S. (2000). The good, the bad and the urgly: Teachers' pets and pet peeves. Philippine Daily Inquirer.
Dyfyniad Arddull ChicagoKoo, Grace S. "The Good, the Bad and the Urgly: Teachers' Pets and Pet Peeves." Philippine Daily Inquirer 2000.
Dyfyniad MLAKoo, Grace S. "The Good, the Bad and the Urgly: Teachers' Pets and Pet Peeves." Philippine Daily Inquirer, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.