Gallardo, R. T. (1997). Matthew Mendoza makes money out of his hobby. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Gallardo, Ricky T. "Matthew Mendoza Makes Money Out of His Hobby." Philippine Daily Inquirer 1997.
MLA-referens (9:e uppl.)Gallardo, Ricky T. "Matthew Mendoza Makes Money Out of His Hobby." Philippine Daily Inquirer, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.