APA-viite

United States National Aeronautics and Space Administration, & United States National Aeronautics and Space Administration. (1960). Space. Washington: United States Information Service.

Chicago-tyylinen lähdeviittaus

United States National Aeronautics and Space Administration, ja United States National Aeronautics and Space Administration. Space. Washington: United States Information Service, 1960.

MLA-viite

United States National Aeronautics and Space Administration, ja United States National Aeronautics and Space Administration. Space. Washington: United States Information Service, 1960.

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