Diamond, J. M. (2013). The world until yesterday: What can we learn from traditional societies? Penguin Books.
Chicago-viite (17. p.)Diamond, Jared M. The World Until Yesterday: What Can We Learn from Traditional Societies? New York: Penguin Books, 2013.
MLA-viite (8. p.)Diamond, Jared M. The World Until Yesterday: What Can We Learn from Traditional Societies? Penguin Books, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.