Me pēnei te tohu i te whārangi:
John Wilson, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/mountaineering/media (accessed 2 December 2023)
He kōrero nā John Wilson, i tāngia i te 24 Sep 2007, updated 1 Feb 2017