Cita APA

Williams, P. W., & Budke, I. (1999). On route to sustainability: Best practices in Canadian tourism. Canadá: Canadian Tourism Commission.

Citación estilo Chicago

Williams, Peter W., y Isabel Budke. On Route to Sustainability: Best Practices in Canadian Tourism. Canadá: Canadian Tourism Commission, 1999.

Cita MLA

Williams, Peter W., y Isabel Budke. On Route to Sustainability: Best Practices in Canadian Tourism. Canadá: Canadian Tourism Commission, 1999.