Strachan. (1979). Waikato River: A Water Resources Study, Technical Committee for the Waikato River Water Resources Study. Waikato Valley Authority, National Water and Soil Conservation Organisation.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Strachan. Waikato River: A Water Resources Study, Technical Committee for the Waikato River Water Resources Study. New Zealand: Waikato Valley Authority, National Water and Soil Conservation Organisation, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Strachan. Waikato River: A Water Resources Study, Technical Committee for the Waikato River Water Resources Study. Waikato Valley Authority, National Water and Soil Conservation Organisation, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.