Gaya APA

Ritchie, J, B., Crouch, G, I. (2003). E-BOOK : THE COMPETITIVE DESTINATION A SUSTAINABLE TOURISM PERSPECTIVE . Ukraina: CAB International.

Gaya MLA

Ritchie, J.R., Brent., Crouch, Geoffrey, I.. "E-BOOK : THE COMPETITIVE DESTINATION A SUSTAINABLE TOURISM PERSPECTIVE". Ukraina: CAB International, 2003. Text.