APA-viite (7. p.)
Butterfield, A. (2009). The familiar enemy: Chaucer, language, and nation in the Hundred Years War. Oxford University Press.
Chicago-viite (17. p.)
Butterfield, Ardis. The Familiar Enemy: Chaucer, Language, and Nation in the Hundred Years War. Oxford ; New York: Oxford University Press, 2009.
MLA-viite (9. p.)
Butterfield, Ardis. The Familiar Enemy: Chaucer, Language, and Nation in the Hundred Years War. Oxford University Press, 2009.
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