Me pēnei te tohu i te whārangi:
Michael Smythe, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/industrial-design/media (accessed 3 June 2023)
He kōrero nā Michael Smythe, i tāngia i te 22 Oct 2014