APA aipamena

Donaldson, G. F. (1970). Farm machinery testing: Scope and purpose in the measurement and evaluation of farm machinery. Royal Commission on Farm Machinery.

Chicago Style aipamena

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 aipamena

Donaldson, Graham Francis. Farm Machinery Testing: Scope and Purpose in the Measurement and Evaluation of Farm Machinery. Royal Commission on Farm Machinery, 1970.