Austrian Centre for Efficiency and Productivity, Intenational Institute for Applied System Analysis, International Federation of Automatic Control, International Federation of Operational Research Sciences, International Conference on Dynamic Modelling and Control of National Economies, 2d, Vienna, 1977, & Janssen, J. N. L. (1979). Models and decision making in national economies: Proceedings of the 2nd International Conference on Dynamic Modelling and Control of National Economies : a symposium. North-Holland.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAustrian Centre for Efficiency and Productivity, Intenational Institute for Applied System Analysis, International Federation of Automatic Control, International Federation of Operational Research Sciences, 2d International Conference on Dynamic Modelling and Control of National Economies, और Johannes Narinus Lodevicus Janssen. Models and Decision Making in National Economies: Proceedings of the 2nd International Conference on Dynamic Modelling and Control of National Economies : A Symposium. Amsterdam: North-Holland, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAustrian Centre for Efficiency and Productivity, et al. Models and Decision Making in National Economies: Proceedings of the 2nd International Conference on Dynamic Modelling and Control of National Economies : A Symposium. North-Holland, 1979.