Lirio, G. (1998). Regional sales chief used to put up posters in markets. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Lirio, Gerry. "Regional Sales Chief Used to Put Up Posters in Markets." Philippine Daily Inquirer 1998.
MLA-referens (9:e uppl.)Lirio, Gerry. "Regional Sales Chief Used to Put Up Posters in Markets." Philippine Daily Inquirer, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.