Me pēnei te tohu i te whārangi:
John E. Martin, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/parliament/media (accessed 1 October 2023)
He kōrero nā John E. Martin, i tāngia i te 20 Jun 2012, updated 1 Feb 2015