Sumpay, J. D. (1998). World prices of coconut oil, gold on the decline. IN Monitoring the economy [column]. Today.
Chicago-referens (17:e uppl.)Sumpay, Jose D. "World Prices of Coconut Oil, Gold on the Decline. IN Monitoring the Economy [column]." Today 1998.
MLA-referens (9:e uppl.)Sumpay, Jose D. "World Prices of Coconut Oil, Gold on the Decline. IN Monitoring the Economy [column]." Today, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.