Patton, H. S. (1997). Grain growers' cooperation in Western Canada. University Microfilms International.
Cita Chicago Style (17a ed.)Patton, Harald Smith. Grain Growers' Cooperation in Western Canada. Ann Arbor: University Microfilms International, 1997.
Cita MLA (9a ed.)Patton, Harald Smith. Grain Growers' Cooperation in Western Canada. University Microfilms International, 1997.
Precaución: Estas citas no son 100% exactas.