Me pēnei te tohu i te whārangi:
Allan Gillingham, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/pigs-and-the-pork-industry/media (accessed 24 April 2024)
He kōrero nā Allan Gillingham, i tāngia i te 24 Nov 2008