Me pēnei te tohu i te whārangi:
Jane Tolerton, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/contraception-and-sterilisation/media (accessed 29 March 2024)
He kōrero nā Jane Tolerton, i tāngia i te 5 May 2011, reviewed & revised 7 Dec 2018