(1979). Quantitative land-capability analysis: A method of applying earth-science information to planning and decisionmaking. United States Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Quantitative Land-capability Analysis: A Method of Applying Earth-science Information to Planning and Decisionmaking. Washington: United States Gov. Print. Off, 1979.
MLA-Zitierstil (9. Ausg.)Quantitative Land-capability Analysis: A Method of Applying Earth-science Information to Planning and Decisionmaking. United States Gov. Print. Off, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.