Davis, D., Birtles, A., Valentine, P. Whale sharks in Ningaloo Marine Park: managing tourism in an Australian marine protected area. 1997 pp.259-271,.
Davis, D., Birtles, A., Valentine, P. Whale sharks in Ningaloo Marine Park: managing tourism in an Australian marine protected area. 1997 pp.259-271,.
Davis, D., Birtles, A., Valentine, P. (1997) Whale sharks in Ningaloo Marine Park: managing tourism in an Australian marine protected area, pp.259-271,.
Davis, D., Birtles, A., & Valentine, P. (1997). Whale sharks in Ningaloo Marine Park: managing tourism in an Australian marine protected area. Tourism Management, Vol. 18 (N5), pp.259-271.
Davis D, Birtles A, Valentine P. Whale sharks in Ningaloo Marine Park: managing tourism in an Australian marine protected area. Tourism Management. 1997; Vol. 18(N5): pp.259-271.
