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.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.