Me pēnei te tohu i te whārangi:
David Green, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/triathlon-and-multisport/media (accessed 2 October 2023)
He kōrero nā David Green, i tāngia i te 5 Sep 2013, updated 1 Mar 2015