Opie, J. (1994). The law of the land: Two hundred years of American farmland policy (1st pbk. ed., 1994.). University of Nebraska Press.
Chicago-Zitierstil (17. Ausg.)Opie, John. The Law of the Land: Two Hundred Years of American Farmland Policy. 1st pbk. ed., 1994. Lincoln, Neb: University of Nebraska Press, 1994.
MLA-Zitierstil (9. Ausg.)Opie, John. The Law of the Land: Two Hundred Years of American Farmland Policy. 1st pbk. ed., 1994. University of Nebraska Press, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.