Cleverdon, Robert
      Global tourism trends: influences, determinants and directional flows / Robert Cleverdon.

KST: 711
* statističke serije
* znanstveni članak

* statistical series

U: World travel & tourism review : indicators, trends and issues / eds. in chief J.R. Brent Ritchie, Donald E. Hawkins. 3 (1993). - 81-89.

---