Ruaya, J. (2011). Water sports: Tourism's most profitable niche. Philippines Free Press.
Čikaški stil citiranja (17. izdanje)Ruaya, Jun. "Water Sports: Tourism's Most Profitable Niche." Philippines Free Press 2011.
MLA način citiranja (9. izdanje)Ruaya, Jun. "Water Sports: Tourism's Most Profitable Niche." Philippines Free Press, 2011.
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