Bunyan, J., & Walton, I. (1960). The pilgrim's progress (Registered ed., 53th printing.). P.F. Collier & Son.
Cita Chicago Style (17a ed.)Bunyan, John, y Izaak Walton. The Pilgrim's Progress. Registered ed., 53th printing. New York: P.F. Collier & Son, 1960.
Cita MLA (9a ed.)Bunyan, John, y Izaak Walton. The Pilgrim's Progress. Registered ed., 53th printing. P.F. Collier & Son, 1960.
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