Sumpay, J. D. (1998). World prices of coconut oil, gold on the decline. IN Monitoring the economy [column]. Today.
Čikaški stil citiranja (17. izdanje)Sumpay, Jose D. "World Prices of Coconut Oil, Gold on the Decline. IN Monitoring the Economy [column]." Today 1998.
MLA način citiranja (8. izdanje)Sumpay, Jose D. "World Prices of Coconut Oil, Gold on the Decline. IN Monitoring the Economy [column]." Today, 1998.
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