Ruaya, J. (2011). Water sports: Tourism's most profitable niche. Philippines Free Press.
Cita Chicago Style (17a ed.)Ruaya, Jun. "Water Sports: Tourism's Most Profitable Niche." Philippines Free Press 2011.
Cita MLA (9a ed.)Ruaya, Jun. "Water Sports: Tourism's Most Profitable Niche." Philippines Free Press, 2011.
Precaución: Estas citas no son 100% exactas.