Me pēnei te tohu i te whārangi:

Graham W. A. Bush. Related biographies for 'Allum, John Andrew Charles', Dictionary of New Zealand Biography, first published in 2000, updated o Pēpuere, 2006. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/5a10/allum-john-andrew-charles/related-biographies (accessed 19 April 2024)