Caparas, M. J., & Yap, V. (2010). The impact of hotel industry on hotel-related business (HRBs). University of the Philippines Diliman Extension Program in Pampanga.
Lua i Stíl Chicago (17ú heag.)Caparas, Mark Jourdan, agus Virginia Yap. The Impact of Hotel Industry on Hotel-related Business (HRBs). Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2010.
Lua MLA (9ú heag.)Caparas, Mark Jourdan, agus Virginia Yap. The Impact of Hotel Industry on Hotel-related Business (HRBs). University of the Philippines Diliman Extension Program in Pampanga, 2010.
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