APA-viite (7. p.)
Galloway, A. (2006). The Penn commentary on Piers Plowman. University of Pennsylvania Press.
Chicago-viite (17. p.)
Galloway, Andrew. The Penn Commentary on Piers Plowman. Philadelphia, Pa.: University of Pennsylvania Press, 2006.
MLA-viite (9. p.)
Galloway, Andrew. The Penn Commentary on Piers Plowman. University of Pennsylvania Press, 2006.
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