Me pēnei te tohu i te whārangi:
Peter Clayworth, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/powered-water-sports/media (accessed 2 May 2024)
He kōrero nā Peter Clayworth, i tāngia i te 5 Sep 2013