Harper, B. L. (2001). Filipino trivia and historical facts. IN Sense and sensibility [column]. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Harper, Bambi Lammoghia. "Filipino Trivia and Historical Facts. IN Sense and Sensibility [column]." Philippine Daily Inquirer 2001.
MLA-referens (9:e uppl.)Harper, Bambi Lammoghia. "Filipino Trivia and Historical Facts. IN Sense and Sensibility [column]." Philippine Daily Inquirer, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.