Παραπομπή APA

Gunn, C. A. (1994). Tourism planning: Basics, concepts, cases/3e (3rd ed.). Taylor and Francis.

Παραπομπή Chicago Style

Gunn, Clare A. Tourism Planning: Basics, Concepts, Cases/3e. 3rd ed. London: Taylor and Francis, 1994.

Παραπομπή MLA

Gunn, Clare A. Tourism Planning: Basics, Concepts, Cases/3e. 3rd ed. Taylor and Francis, 1994.