Me pēnei te tohu i te whārangi:
Rebecca Priestley, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/radioactive-minerals/media (accessed 4 May 2024)
He kōrero nā Rebecca Priestley, i tāngia i te 12 Jun 2006