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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Wallace, 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Wallace, 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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