Cummings, C. H. (2008). Uncertain peril: Genetic engineering and the future of seeds. Beacon Press.
Lua i Stíl Chicago (17ú heag.)Cummings, Claire Hope. Uncertain Peril: Genetic Engineering and the Future of Seeds. Boston, Mass.: Beacon Press, 2008.
Lua MLA (9ú heag.)Cummings, Claire Hope. Uncertain Peril: Genetic Engineering and the Future of Seeds. Beacon Press, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.