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APA-viite

U.S. Department of the Interior. Heritage Conservation and Recreation Service. (1979). The third nationwide outdoor recreation plan: Appendix 1, Survey summary. U.S. Government Printing Office.

Chicago-tyylinen lähdeviittaus

U.S. Department of the Interior. Heritage Conservation and Recreation Service. The Third Nationwide Outdoor Recreation Plan: Appendix 1, Survey Summary. Washington, D.C.: U.S. Government Printing Office, 1979.

MLA-viite

U.S. Department of the Interior. Heritage Conservation and Recreation Service. The Third Nationwide Outdoor Recreation Plan: Appendix 1, Survey Summary. U.S. Government Printing Office, 1979.

Harvard-tyylinen lähdeviittaus

U.S. Department of the Interior. Heritage Conservation and Recreation Service. 1979. The third nationwide outdoor recreation plan: Appendix 1, Survey summary. Washington, D.C.: U.S. Government Printing Office.

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