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.
Chicago-čujuhus (17. p.)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.
MLA-čujuhus (9. p.)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.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.