Me pēnei te tohu i te whārangi:
Tony Simpson, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/customs-and-tariffs/media (accessed 28 March 2023)
He kōrero nā Tony Simpson, i tāngia i te 11 Mar 2010