Ausubel, K. (1994). Seeds of change. The living treasure: The passionate story of the growing movement to restore biodiversity and revolutionize the way we think about food (First paperback edition.). Harper San Francisco.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ausubel, Ken. Seeds of Change. The Living Treasure: The Passionate Story of the Growing Movement to Restore Biodiversity and Revolutionize the Way We Think About Food. First paperback edition. New York, USA: Harper San Francisco, 1994.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ausubel, Ken. Seeds of Change. The Living Treasure: The Passionate Story of the Growing Movement to Restore Biodiversity and Revolutionize the Way We Think About Food. First paperback edition. Harper San Francisco, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.