Donaldson, G. F. (1968). Farm machinery safety: Physical welfare effects of the man-machine interaction on farms. Royal Commission on Farm Machinery.
Citace podle Chicago (17th ed.)Donaldson, Graham Francis. Farm Machinery Safety: Physical Welfare Effects of the Man-machine Interaction on Farms. [Ottawa]: Royal Commission on Farm Machinery, 1968.
Citace podle MLA (8th ed.)Donaldson, Graham Francis. Farm Machinery Safety: Physical Welfare Effects of the Man-machine Interaction on Farms. Royal Commission on Farm Machinery, 1968.
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