APA (7th ed.) Zitazioa
Smith, D. V. (1989). Beginning works: Piers Plowman and medieval theories of inception. University of Virginia.
Chicago Style (17th ed.) Zitazioa
Smith, Donald Vance. Beginning Works: Piers Plowman and Medieval Theories of Inception. Virginia: University of Virginia, 1989.
MLA (9th ed.) Zitazioa
Smith, Donald Vance. Beginning Works: Piers Plowman and Medieval Theories of Inception. University of Virginia, 1989.
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