Papa, J. (2002). Woman inventor nets simple answers to everyday problems. Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)Papa, Joey. "Woman Inventor Nets Simple Answers to Everyday Problems." Philippine Daily Inquirer 2002.
MLA način citiranja (9. izdanje)Papa, Joey. "Woman Inventor Nets Simple Answers to Everyday Problems." Philippine Daily Inquirer, 2002.
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