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/public-commercial-and-church-architecture/media (accessed 3 May 2024)
He kōrero nā Ben Schrader, i tāngia i te 22 Oct 2014