APA-viite (7. p.)
Spier, F. (2015). Big history and the future of humanity (Second edition.). Wiley Blackwell.
Chicago-viite (17. p.)
Spier, Fred. Big History and the Future of Humanity. Second edition. Chichester, [England]: Wiley Blackwell, 2015.
MLA-viite (9. p.)
Spier, Fred. Big History and the Future of Humanity. Second edition. Wiley Blackwell, 2015.
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