APA
Bushell R., Eagles P. F. J. & World Parks Congress (5th : 2003 : Durban S. A. (2007). Tourism and protected areas : benefits beyond boundaries : the Vth IUCN World Parks Congress. Wallingford, UK ; Cambridge, MA: CABI Pub.
Chicago
Bushell Robyn, Eagles Paul F J and World Parks Congress (5th : 2003 : Durban South Africa). 2007. Tourism and protected areas : benefits beyond boundaries : the Vth IUCN World Parks Congress. Wallingford, UK ; Cambridge, MA: CABI Pub.
Harvard
Bushell R., Eagles P. F. J. and World Parks Congress (5th : 2003 : Durban S. A. (2007). Tourism and protected areas : benefits beyond boundaries : the Vth IUCN World Parks Congress. Wallingford, UK ; Cambridge, MA: CABI Pub.
MLA
Bushell Robyn, Eagles Paul F J and World Parks Congress (5th : 2003 : Durban South Africa). Tourism and protected areas : benefits beyond boundaries : the Vth IUCN World Parks Congress. Wallingford, UK ; Cambridge, MA: CABI Pub. 2007.