Não informado. (1952). Canadian Journal of Agricultural Economics. Canadian Agricultural Economics and Farm Management Society.
Chicago-referens (17:e uppl.)Não informado. Canadian Journal of Agricultural Economics. Winnipeg, Canada: Canadian Agricultural Economics and Farm Management Society, 1952.
MLA-referens (8:e uppl.)Não informado. Canadian Journal of Agricultural Economics. Canadian Agricultural Economics and Farm Management Society, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.