Me pēnei te tohu i te whārangi:

Diana Beaglehole. Links and sources for 'Emmett, Frederick Richard Edmund', Dictionary of New Zealand Biography, first published in 2000. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/5e6/emmett-frederick-richard-edmund/sources (accessed 19 April 2024)