Agatep, C. (2002). What PR is all about. IN Commentary [column]. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Agatep, Charlie. "What PR Is All About. IN Commentary [column]." Philippine Daily Inquirer 2002.
MLA-referens (9:e uppl.)Agatep, Charlie. "What PR Is All About. IN Commentary [column]." Philippine Daily Inquirer, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.