Sumpay, J. D. (1998). World prices of coconut oil, gold on the decline. IN Monitoring the economy [column]. Today.
Citazione stile Chigago Style (17a edizione)Sumpay, Jose D. "World Prices of Coconut Oil, Gold on the Decline. IN Monitoring the Economy [column]." Today 1998.
Citatione MLA (9a ed.)Sumpay, Jose D. "World Prices of Coconut Oil, Gold on the Decline. IN Monitoring the Economy [column]." Today, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.