Wallace, R. F. (1956). An evaluation of wildlife resources in the State of Washington. State College of Washington, School of Economics and Business, Bureau of Economic and Business Research.
Chicago-viite (17. p.)Wallace, Robert F. An Evaluation of Wildlife Resources in the State of Washington. Pullman: State College of Washington, School of Economics and Business, Bureau of Economic and Business Research, 1956.
MLA-viite (8. p.)Wallace, Robert F. An Evaluation of Wildlife Resources in the State of Washington. State College of Washington, School of Economics and Business, Bureau of Economic and Business Research, 1956.
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