Fletcher, WJ; Chesson, J; Fisher, M; Sainsbury KJ; Hundloe, T; Smith, ADM and Whitworth, B (2002) The "How To" guide for wild capture fisheriesLưu trữ 2008-10-29 tại Wayback Machine. National ESD reporting framework for Australian fisheries: FRDC Project 2000/145. Page 119–120.
web.archive.org
Fletcher, WJ; Chesson, J; Fisher, M; Sainsbury KJ; Hundloe, T; Smith, ADM and Whitworth, B (2002) The "How To" guide for wild capture fisheriesLưu trữ 2008-10-29 tại Wayback Machine. National ESD reporting framework for Australian fisheries: FRDC Project 2000/145. Page 119–120.