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/canterbury-region/media (accessed 27 September 2023)
He kōrero nā John Wilson, i tāngia i te 14 Sep 2006, reviewed & revised 6 Jul 2015