APA-viite (7. p.)
Tim Marshall. (2021). The Power of Geography: Ten Maps that reveal the future of Our World. Elliot and Thomson.
Chicago-viite (17. p.)
Tim Marshall. The Power of Geography: Ten Maps That Reveal the Future of Our World. New York: Elliot and Thomson, 2021.
MLA-viite (9. p.)
Tim Marshall. The Power of Geography: Ten Maps That Reveal the Future of Our World. Elliot and Thomson, 2021.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.