Cita APA (7th ed.)
Duffy, R. (2002). A trip too far: Ecotourism, politics, and exploitation. Earthscan.
Cita Chicago (17th ed.)
Duffy, Rosaleen. A Trip Too Far: Ecotourism, Politics, and Exploitation. London ; Sterling, VA: Earthscan, 2002.
Cita MLA (9th ed.)
Duffy, Rosaleen. A Trip Too Far: Ecotourism, Politics, and Exploitation. Earthscan, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.