Cita APA (7th ed.)

Butler, R. W., & Pearce, D. G. (1993). Tourism research: Critiques and challenges. Routledge.

Cita Chicago (17th ed.)

Butler, Richard W., i Douglas G. Pearce. Tourism Research: Critiques and Challenges. London: Routledge, 1993.

Cita MLA (9th ed.)

Butler, Richard W., i Douglas G. Pearce. Tourism Research: Critiques and Challenges. Routledge, 1993.