Mendez, C. (2006). Using bioethanol could save RP $160M annually. Philippine Star.
Chicago Style (17. basım) AtıfMendez, Christina. "Using Bioethanol Could Save RP $160M Annually." Philippine Star 2006.
MLA (9th ed.) AtıfMendez, Christina. "Using Bioethanol Could Save RP $160M Annually." Philippine Star, 2006.
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