Gavilanes Valle, J. E. (2015). Guidelines for the design of tourist training plans: The case of General VIllamil Playas.
芝加哥风格引文Gavilanes Valle, Julio Enrique. Guidelines for the Design of Tourist Training Plans: The Case of General VIllamil Playas. 2015.
MLA引文Gavilanes Valle, Julio Enrique. Guidelines for the Design of Tourist Training Plans: The Case of General VIllamil Playas. 2015.
警告：这些引文格式不一定是100％准确.