Não informado. (1952). Canadian Journal of Agricultural Economics. Canadian Agricultural Economics and Farm Management Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Canadian Journal of Agricultural Economics. Winnipeg, Canada: Canadian Agricultural Economics and Farm Management Society, 1952.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Canadian Journal of Agricultural Economics. Canadian Agricultural Economics and Farm Management Society, 1952.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.