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/city-planning/media (accessed 24 May 2022)
He kōrero nā Ben Schrader, i tāngia i te 11 Mar 2010, updated 26 Mar 2015