Marshall, T. (2023). The future of geography: How the competition in space will change our world. Scribner.
Chicago-referens (17:e uppl.)Marshall, Tim. The Future of Geography: How the Competition in Space Will Change Our World. New York: Scribner, 2023.
MLA-referens (9:e uppl.)Marshall, Tim. The Future of Geography: How the Competition in Space Will Change Our World. Scribner, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.