Ētahi atu tūhononga, pae tukutuku hoki
Ētahi whakaaro puaki, takenga
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Mulgan, Richard. Democracy and power in New Zealand: a study of New Zealand politics. 2nd ed. Auckland: Oxford University Press, 1989.
Tenbensel, Tim. ‘Interest groups.’ In New Zealand government and politics, edited by Raymond Miller. 5th ed. South Melbourne; Auckland: Oxford University Press, 2010: 606–617.
Vowles, Jack. ‘Business, unions and the state: organising economic interests in New Zealand.’ In New Zealand politics in perspective, edited by Hyam Gold. 3rd ed. Auckland: Longman Paul, 1992: 342–364.