Vergel, K. N., Cacho, F. T., & Capiz, C. L. E. A study on roadside noise generated by tricycles. Philippine Engineering Journal.
Chicago Style (17. basım) AtıfVergel, Karl N., Frielly T. Cacho, ve Cheryl Lyne E. Capiz. "A Study on Roadside Noise Generated by Tricycles." Philippine Engineering Journal .
MLA (9th ed.) AtıfVergel, Karl N., et al. "A Study on Roadside Noise Generated by Tricycles." Philippine Engineering Journal, .
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