Me pēnei te tohu i te whārangi:
Carl Walrond, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/teenagers-and-youth/media (accessed 29 March 2024)
He kōrero nā Carl Walrond, i tāngia i te 5 May 2011, updated 1 Aug 2017