Vergara, A. Y. (1997). Teaching kids to explore and excel. Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)Vergara, Alex Y. "Teaching Kids to Explore and Excel." Philippine Daily Inquirer 1997.
MLA način citiranja (9. izdanje)Vergara, Alex Y. "Teaching Kids to Explore and Excel." Philippine Daily Inquirer, 1997.
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