APA-viite (7. p.)
Harrison, K. D. (2007). When languages die: The extinction of the world's languages and the erosion of human knowledge. Oxford University Press.
Chicago-viite (17. p.)
Harrison, K. David. When Languages Die: The Extinction of the World's Languages and the Erosion of Human Knowledge. Oxford ; New York: Oxford University Press, 2007.
MLA-viite (9. p.)
Harrison, K. David. When Languages Die: The Extinction of the World's Languages and the Erosion of Human Knowledge. Oxford University Press, 2007.
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