Citazione Stile APA (7a Edizione)

Frost, W., & Hall, C. . M. (2009). Tourism and national parks: International perspectives on development, histories, and change. Routledge.

Citazione stile Chigago Style (17a edizione)

Frost, Warwick, e Colin Michael Hall. Tourism and National Parks: International Perspectives on Development, Histories, and Change. London: Routledge, 2009.

Citatione MLA (9a ed.)

Frost, Warwick, e Colin Michael Hall. Tourism and National Parks: International Perspectives on Development, Histories, and Change. Routledge, 2009.