(1994). Sustainable agriculture in the American Midwest: Lessons from the past, prospects for the future. Univ. of Ill. Press.
Chicago-Zitierstil (17. Ausg.)Sustainable Agriculture in the American Midwest: Lessons from the Past, Prospects for the Future. Urbana u.a: Univ. of Ill. Press, 1994.
MLA-Zitierstil (9. Ausg.)Sustainable Agriculture in the American Midwest: Lessons from the Past, Prospects for the Future. Univ. of Ill. Press, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.