APA aipamena

Vargas Ulate, G. (2013). TOURISM AND PROTECTED AREAS IN COSTA RICA: CONFRONTATION OR CONCILIATION.

Chicago Style aipamena

Vargas Ulate, Gilbert. TOURISM AND PROTECTED AREAS IN COSTA RICA: CONFRONTATION OR CONCILIATION. 2013.

MLA aipamena

Vargas Ulate, Gilbert. TOURISM AND PROTECTED AREAS IN COSTA RICA: CONFRONTATION OR CONCILIATION. 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.