Cita APA (7th ed.)

Douglas, N., Douglas, N., & Derrett, R. (2001). Special interest tourism: Context and cases. Wiley.

Cita Chicago (17th ed.)

Douglas, Norman, Ngaire Douglas, i Ros Derrett. Special Interest Tourism: Context and Cases. Brisbane: Wiley, 2001.

Cita MLA (9th ed.)

Douglas, Norman, et al. Special Interest Tourism: Context and Cases. Wiley, 2001.