Kōrero: Early changes
Whārangi 2. Ngā whakaahua, ngā rauemi katoa
Me pēnei te tohu i te whārang
Julia Haggerty rāua ko Hugh Campbell, Farming and the environment – Early changes, Te Ara – the Encyclopedia of New Zealand, https://teara.govt.nz/mi/story/1540/media (accessed 11 June 2026).
He kōrero nā Julia Haggerty rāua ko Hugh Campbell, i tāngia i te 1 March 2009.