Esposo, W. (2007). Why do they bellyache about surveys. IN As I wreck this chair [column]. Philippine Star.
Chicago-referens (17:e uppl.)Esposo, William. "Why Do They Bellyache About Surveys. IN As I Wreck This Chair [column]." Philippine Star 2007.
MLA-referens (9:e uppl.)Esposo, William. "Why Do They Bellyache About Surveys. IN As I Wreck This Chair [column]." Philippine Star, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.