Me pēnei te tohu i te whārangi:
Ben Schrader, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/presbyterian-church/media (accessed 24 April 2024)
He kōrero nā Ben Schrader, i tāngia i te 5 May 2011, updated 1 Mar 2017