Não informado. Soil series. British Columbia Department of Agriculture, Field Crops Branch.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Soil Series. Victoria, Austrália: British Columbia Department of Agriculture, Field Crops Branch.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Soil Series. British Columbia Department of Agriculture, Field Crops Branch.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.