Παραπομπή APA
Arne Ryde Symposium (8th:1985:Frostavallen), & Hedlund, S. (1987). Incentives and economic systems proceedings of the eighth Arne Ryde symposium Frostavallen, August 26-27, 1985. London: Croom Helm.
Παραπομπή Chicago StyleArne Ryde Symposium (8th:1985:Frostavallen), and Stefan Hedlund. Incentives and Economic Systems Proceedings of the Eighth Arne Ryde Symposium Frostavallen, August 26-27, 1985. London: Croom Helm, 1987.
Παραπομπή MLAArne Ryde Symposium (8th:1985:Frostavallen), and Stefan Hedlund. Incentives and Economic Systems Proceedings of the Eighth Arne Ryde Symposium Frostavallen, August 26-27, 1985. London: Croom Helm, 1987.
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