Me pēnei te tohu i te whārangi:

Jeremy Goulter. Related biographies for 'Washbourn, Enga Margaret', Dictionary of New Zealand Biography, first published in 2000. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/5w11/washbourn-enga-margaret/related-biographies (accessed 23 April 2024)