Papa, J. (2002). Woman inventor nets simple answers to everyday problems. Philippine Daily Inquirer.
Citazione stile Chigago Style (17a edizione)Papa, Joey. "Woman Inventor Nets Simple Answers to Everyday Problems." Philippine Daily Inquirer 2002.
Citatione MLA (9a ed.)Papa, Joey. "Woman Inventor Nets Simple Answers to Everyday Problems." Philippine Daily Inquirer, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.