Não informado. Soil series. British Columbia Department of Agriculture, Field Crops Branch.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Soil Series. Victoria, Austrália: British Columbia Department of Agriculture, Field Crops Branch.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Soil Series. British Columbia Department of Agriculture, Field Crops Branch.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.