Marshall, T. (2023). The future of geography: How the competition in space will change our world (First Scribner hardcover edition.). Scribner.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMarshall, Tim. The Future of Geography: How the Competition in Space Will Change Our World. First Scribner hardcover edition. New York: Scribner, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMarshall, Tim. The Future of Geography: How the Competition in Space Will Change Our World. First Scribner hardcover edition. Scribner, 2023.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.