Citazione APA

Gunn, C. A., & Var, T. (2002). Tourism planning: Basics, concepts, cases (4th ed.). Routledge.

Stile di citazione Chicago

Gunn, Clare A., e Turgut Var. Tourism Planning: Basics, Concepts, Cases. 4th ed. New York: Routledge, 2002.

Citazione MLA

Gunn, Clare A., e Turgut Var. Tourism Planning: Basics, Concepts, Cases. 4th ed. Routledge, 2002.