Paarlberg, R. L. (1994). Countrysides at risk: The political geography of sustainable agriculture. Overseas Development Council.
Chicago-Zitierstil (17. Ausg.)Paarlberg, Robert L. Countrysides at Risk: The Political Geography of Sustainable Agriculture. Washington, DC: Overseas Development Council, 1994.
MLA-Zitierstil (9. Ausg.)Paarlberg, Robert L. Countrysides at Risk: The Political Geography of Sustainable Agriculture. Overseas Development Council, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.