Stephenson, J. “OBITUARY: A Hard-Nosed, Hard-Case ‘scoop king’: Warren Berryman, Investigative Journalist and Publisher, 1939-2004”. Pacific Journalism Review : Te Koakoa, Vol. 10, no. 1, Apr. 2004, pp. 207-13, doi:10.24135/pjr.v10i1.787.