Bibliografia
Alexander Klein Tahara, Gisele Maria Schwartz "Atividades de aventura na natureza: investindo na qualidade de vida"
Revista Digital - Buenos Aires - Año 8 - N° 58 - Marzo de 2003
https://pt.wikipedia.org/wiki/Skate
https://pt.wikipedia.org/wiki/Z-Boys
https://pt.wikipedia.org/wiki/Tony_Hawk
https://pt.wikipedia.org/wiki/Rodney_Mullen
https://en.wikipedia.org/wiki/Alan_Gelfand
https://www.surfingforlife.com/history.html
https://www.portalaventuras.pt/desporto/desporto_agua/55-surf.html
https://pt.wikipedia.org/wiki/Duke_Kahanamoku
https://pt.wikipedia.org/wiki/Kelly_slater
https://pt.wikipedia.org/wiki/Snowboard
https://en.wikipedia.org/wiki/Shaun_White
https://pt.wikipedia.org/wiki/BTT
https://pt.wikipedia.org/wiki/Gary_Fisher
https://pt.wikipedia.org/wiki/Tom_Ritchey
https://en.wikipedia.org/wiki/Joe_Breeze
https://en.wikipedia.org/wiki/Mat_Hoffman
Sites de Apoio
https://www.portalaventuras.pt/desporto/2520-Desporto.html
https://www.surfingforlife.com/history.html
https://desportolandia.com/artigos/snowboard-melhores-pistas-mundo-campeoes
https://www.mashf.com/2001_inductees.htm
https://www.ritcheylogic.com/ritchey_index.phtml
https://www.internationalskateboardingfederation.org/index.php
https://www.wcsk8.com/index.php?option=com_content&view=frontpage&Itemid=127
https://www.worldsnowboardfederation.org/index.php
https://www.britishcycling.org.uk/