Roxas, N. R. J., & Fillone, A. (2014). Income effect in inter-island passenger mode choice for the Western Visayas Region, Philippines. Philippine Engineering Journal.
Chicago-viite (17. p.)Roxas, Nicanor R. Jr, ja Alexis Fillone. "Income Effect in Inter-island Passenger Mode Choice for the Western Visayas Region, Philippines." Philippine Engineering Journal 2014.
MLA-viite (9. p.)Roxas, Nicanor R. Jr, ja Alexis Fillone. "Income Effect in Inter-island Passenger Mode Choice for the Western Visayas Region, Philippines." Philippine Engineering Journal, 2014.
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