Bunyan, J. Collmer, Robert G: John Bunyan. The Oxford handbook of English literature and theology.(2007).
Chicago Style (17. basım) AtıfBunyan, John. "Collmer, Robert G: John Bunyan." The Oxford Handbook of English Literature and Theology.(2007) .
MLA (8th ed.) AtıfBunyan, John. "Collmer, Robert G: John Bunyan." The Oxford Handbook of English Literature and Theology.(2007), .
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