Anderson, O. D. (1980). Forecasting public utilities: Proceedings of the international conferences held at Nottingham University, March 1980. Amsterdam.
Dyfyniad Arddull ChicagoAnderson, O. D. Forecasting Public Utilities: Proceedings of the International Conferences Held at Nottingham University, March 1980. North Holland: Amsterdam, 1980.
Dyfyniad MLAAnderson, O. D. Forecasting Public Utilities: Proceedings of the International Conferences Held at Nottingham University, March 1980. Amsterdam, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.