Chanco, B. (2002). Citop Lorenzo may produce wonders of agri. IN Demand and supply [column]. Philippine Star.
Chicago-referens (17:e uppl.)Chanco, Boo. "Citop Lorenzo May Produce Wonders of Agri. IN Demand and Supply [column]." Philippine Star 2002.
MLA-referens (9:e uppl.)Chanco, Boo. "Citop Lorenzo May Produce Wonders of Agri. IN Demand and Supply [column]." Philippine Star, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.