Mitchell, B., & Mitchell, J. E. (1972). The watershed as a resource management unit: A selected bibliography. Council of Planning Librarians.
Chicagoスタイル(17版)引用形式Mitchell, Bruce, , Joan Elizabeth Mitchell. The Watershed as a Resource Management Unit: A Selected Bibliography. Monticello, Ill: Council of Planning Librarians, 1972.
MLA(9版)引用形式Mitchell, Bruce, , Joan Elizabeth Mitchell. The Watershed as a Resource Management Unit: A Selected Bibliography. Council of Planning Librarians, 1972.
警告: この引用は必ずしも正確ではありません.