Me pēnei te tohu i te whārangi:
Simon Nathan, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/conservation-a-history/media (accessed 28 May 2023)
He kōrero nā Simon Nathan, i tāngia i te 24 Sep 2007, updated 1 Aug 2015