Sicam, E. (1997). This piano player started out as an air traffic controller. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Sicam, Edmund. "This Piano Player Started Out as an Air Traffic Controller." Philippine Daily Inquirer 1997.
MLA-referens (9:e uppl.)Sicam, Edmund. "This Piano Player Started Out as an Air Traffic Controller." Philippine Daily Inquirer, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.