Johnson, B. A. (1992). Reading "Piers plowman" and "The pilgrim's progress": Reception and the protestant reader. Southern Illinois University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Johnson, Barbara A. Reading "Piers Plowman" and "The Pilgrim's Progress": Reception and the Protestant Reader. Carbondale [u.a.]: Southern Illinois University Press, 1992.
Παραπομπή σε μορφή MLA (9th εκδ.)Johnson, Barbara A. Reading "Piers Plowman" and "The Pilgrim's Progress": Reception and the Protestant Reader. Southern Illinois University Press, 1992.
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