Me pēnei te tohu i te whārangi:
Ross Galbreath, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/new-zealand-species-overseas/media (accessed 30 April 2024)
He kōrero nā Ross Galbreath, i tāngia i te 24 Sep 2007