References
- Gales , N. , Hindell , M. and Kirkwood , R. , eds. Marine mammals: Fisheries, tourism and management issues , Collingwood, VIC , Australia : CSIRO .
- Goldin, B.2012, SeptemberPanama City ranked as top city for illegal dolphin feeding. Retrieved from http://www.wjhg.com/news/headlines/Responsible-Dolphin-Viewing-169402776.html (http://http://www.wjhg.com/news/headlines/Responsible-Dolphin-Viewing-169402776.html)
- Lavigne , D. M. , Scheffer , V. B. and Kellert , S. R. 1999 . “ The evolution of North American attitudes toward marine mammals ” . In Conservation and management of marine mammals , Edited by: Twiss , J. R. , Reeves , R. R. and Montgomery , S. 10 – 47 . Washington , DC : Smithsonian Institute Press . InEdspp.