Dela Cruz, R. C. C., Marabut, A. D. Z., & Vergel, K. B. N. Compliance of Philippine jeepneys with selected national vehicle regulations and standards.
Chicago-referens (17:e uppl.)Dela Cruz, Raphael Christian C., Abighael Dawn Z. Marabut, och Karl B. N. Vergel. Compliance of Philippine Jeepneys with Selected National Vehicle Regulations and Standards.
MLA-referens (9:e uppl.)Dela Cruz, Raphael Christian C., et al. Compliance of Philippine Jeepneys with Selected National Vehicle Regulations and Standards.
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