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/south-africans/media (accessed 5 May 2024)
He kōrero nā Carl Walrond, i tāngia i te 8 Feb 2005, updated 25 Mar 2015