(en) Jonathan Boston, New Zealand Votes : The General Election of 2002, Victoria University Press, , 424 p. (ISBN978-0-86473-468-6, lire en ligne), p. 92
Stephen Levine, « 'Political values - Values and political change », Te Ara: The Encyclopedia of New Zealand, (consulté le ) : « New Zealand’s right-wing ACT Party campaigned at the 1996 election on the slogan, 'Values. Not politics'. »