Não informado. (1959). Canadian agricultural engineering. Canadian Society of Agricultural Engineering.
Cita Chicago Style (17a ed.)Não informado. Canadian Agricultural Engineering. Ottawa: Canadian Society of Agricultural Engineering, 1959.
Cita MLA (8a ed.)Não informado. Canadian Agricultural Engineering. Canadian Society of Agricultural Engineering, 1959.
Precaución: Estas citas no son 100% exactas.