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.
Dyfyniad Arddull ChicagoStrachan. 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.
Dyfyniad MLAStrachan. 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.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.