APA aipamena

Ruaya, J. (2011). Water sports: Tourism's most profitable niche. Philippines Free Press.

Chicago Style aipamena

Ruaya, Jun. "Water Sports: Tourism's Most Profitable Niche." Philippines Free Press 2011.

MLA aipamena

Ruaya, Jun. "Water Sports: Tourism's Most Profitable Niche." Philippines Free Press, 2011.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.