Πηγές

• http://www.survivalinternational.org/about/amazontribes

• http://www.youtube.com/watch?feature=player_embedded&v=wOr98N0vgBY

• http://www.youtube.com/watch?v=pZVmMETQHQs

• http://www.youtube.com/watch?v=bjI5s2XSFns