Ruaya, J. (2011). Water sports: Tourism's most profitable niche. Philippines Free Press.
Cita Chicago (17th ed.)Ruaya, Jun. "Water Sports: Tourism's Most Profitable Niche." Philippines Free Press 2011.
Cita MLA (9th ed.)Ruaya, Jun. "Water Sports: Tourism's Most Profitable Niche." Philippines Free Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.