Me pēnei te tohu i te whārangi:
Nancy Swarbrick, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/open-water-swimming/media (accessed 20 April 2024)
He kōrero nā Nancy Swarbrick, i tāngia i te 12 Jun 2006, updated 1 Feb 2016