Bernknopf, R. L., Dinitz, L. B., & Loague, K. (2001). An interdisciplinary assessment of regional -scale nonpoint source ground - water vulnerability: Theory and application. Denver, Colo.: U.S. Departamento of the Interior, Geological Survey.
Chicago Style CitationBernknopf, Richard Lewis, Laura B. Dinitz, and Keith Loague. An Interdisciplinary Assessment of Regional -scale Nonpoint Source Ground - Water Vulnerability: Theory and Application. Denver, Colo.: U.S. Departamento of the Interior, Geological Survey, 2001.
MLA CitationBernknopf, Richard Lewis, Laura B. Dinitz, and Keith Loague. An Interdisciplinary Assessment of Regional -scale Nonpoint Source Ground - Water Vulnerability: Theory and Application. Denver, Colo.: U.S. Departamento of the Interior, Geological Survey, 2001.