Me pēnei te tohu i te whārangi:
Christina Troup, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/marine-invaders/media (accessed 20 April 2024)
He kōrero nā Christina Troup, i tāngia i te 12 Jun 2006