Donaldson, G. F. (1970). Farm machinery testing: Scope and purpose in the measurement and evaluation of farm machinery. Royal Commission on Farm Machinery.
Цитирование в стиле Чикаго (17-е изд.)Donaldson, Graham Francis. Farm Machinery Testing: Scope and Purpose in the Measurement and Evaluation of Farm Machinery. [Ottawa]: Royal Commission on Farm Machinery, 1970.
Цитирование MLA (8-е изд.)Donaldson, Graham Francis. Farm Machinery Testing: Scope and Purpose in the Measurement and Evaluation of Farm Machinery. Royal Commission on Farm Machinery, 1970.
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