Donaldson, G. F. (1970). Farm machinery testing: Scope and purpose in the measurement and evaluation of farm machinery. Royal Commission on Farm Machinery.
芝加哥风格引文Donaldson, Graham Francis. Farm Machinery Testing: Scope and Purpose in the Measurement and Evaluation of Farm Machinery. [Ottawa]: Royal Commission on Farm Machinery, 1970.
MLA引文Donaldson, Graham Francis. Farm Machinery Testing: Scope and Purpose in the Measurement and Evaluation of Farm Machinery. Royal Commission on Farm Machinery, 1970.
警告：这些引文格式不一定是100％准确.