Young, W. L., & Harrod, S. R. F. (1989). Harrod and his trade cycle group: The origins and development of the growth research program. Macmillan.
Citace podle Chicago (17th ed.)Young, Warren L., a Sir Roy Forbes Harrod. Harrod and His Trade Cycle Group: The Origins and Development of the Growth Research Program. Houndmills, Basingstoke: Macmillan, 1989.
Citace podle MLA (9th ed.)Young, Warren L., a Sir Roy Forbes Harrod. Harrod and His Trade Cycle Group: The Origins and Development of the Growth Research Program. Macmillan, 1989.
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