APA (7th ed.) Citation

Koo, G. S. (2002). What good teachers are made of. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Koo, Grace S. "What Good Teachers Are Made of." Philippine Daily Inquirer 2002.

MLA (9th ed.) Citation

Koo, Grace S. "What Good Teachers Are Made of." Philippine Daily Inquirer, 2002.

Warning: These citations may not always be 100% accurate.