Wallace, R. F. (1952). Economic aspects of wildlife resources in the State of Washington. State College of Washington, School of Economics and Business, Bureau of Economic and Business Research.
Dyfyniad Arddull ChicagoWallace, Robert F. Economic Aspects of Wildlife Resources in the State of Washington. Pullman: State College of Washington, School of Economics and Business, Bureau of Economic and Business Research, 1952.
Dyfyniad MLAWallace, Robert F. Economic Aspects of Wildlife Resources in the State of Washington. State College of Washington, School of Economics and Business, Bureau of Economic and Business Research, 1952.
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