VELLAS FRANCOIS. (1995). INTERNATIONAL TOURISM: AN ECONOMIC PERSPECTIVE. MACMILLAN.
Chicago Style aipamenaVELLAS FRANCOIS. INTERNATIONAL TOURISM: AN ECONOMIC PERSPECTIVE. HAMPSHIRE: MACMILLAN, 1995.
MLA aipamenaVELLAS FRANCOIS. INTERNATIONAL TOURISM: AN ECONOMIC PERSPECTIVE. MACMILLAN, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.