Me pēnei te tohu i te whārangi:

J. R. Martin. Related biographies for 'Entrican, Alexander Robert', Dictionary of New Zealand Biography, first published in 2000, updated o Noema, 2010. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/5e9/entrican-alexander-robert/related-biographies (accessed 25 April 2024)