Eusebio, R. E., Suministrado, D. C., & Aranguren, D. C. (2009). Status and trends of performance of commercial engines in the Philippines. Philippine Agricultural Mechanization Journal.
Chicago-referens (17:e uppl.)Eusebio, Romulo E., Delfin C. Suministrado, och Darwin C. Aranguren. "Status and Trends of Performance of Commercial Engines in the Philippines." Philippine Agricultural Mechanization Journal 2009.
MLA-referens (9:e uppl.)Eusebio, Romulo E., et al. "Status and Trends of Performance of Commercial Engines in the Philippines." Philippine Agricultural Mechanization Journal, 2009.
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