Gavilanes Valle, J. E. (2015). Guidelines for the design of tourist training plans: The case of General VIllamil Playas.
Lua i Stíl Chicago (17ú heag.)Gavilanes Valle, Julio Enrique. Guidelines for the Design of Tourist Training Plans: The Case of General VIllamil Playas. 2015.
Lua MLA (9ú heag.)Gavilanes Valle, Julio Enrique. Guidelines for the Design of Tourist Training Plans: The Case of General VIllamil Playas. 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.