Vellas, F. (1995). International tourism: An economic perspective. Basingstoke: Macmillan Business.
Trích dẫn kiểu ChicagoVellas, Francois. International Tourism: An Economic Perspective. Basingstoke: Macmillan Business, 1995.
ציטוט MLAVellas, Francois. International Tourism: An Economic Perspective. Basingstoke: Macmillan Business, 1995.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.