Knapp, S. (2024). Beyond the root cellar: The market gardener's guide to growing and storing vegetables for off-season sales and food security. Chelsea Green Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Knapp, Sam. Beyond the Root Cellar: The Market Gardener's Guide to Growing and Storing Vegetables for Off-season Sales and Food Security. White River Junction, Vermont: Chelsea Green Publishing, 2024.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Knapp, Sam. Beyond the Root Cellar: The Market Gardener's Guide to Growing and Storing Vegetables for Off-season Sales and Food Security. Chelsea Green Publishing, 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.