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/trout-and-salmon/media (accessed 26 April 2024)
He kōrero nā Carl Walrond, i tāngia i te 24 Nov 2008