Katigbak, A. F. (2004). Oil price soars above $45/661 for 1st time. Philippine Star.
Čikaški stil citiranja (17. izdanje)Katigbak, Antonio F. "Oil Price Soars Above $45/661 for 1st Time." Philippine Star 2004.
MLA način citiranja (9. izdanje)Katigbak, Antonio F. "Oil Price Soars Above $45/661 for 1st Time." Philippine Star, 2004.
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