BUNYAN, J. (1966). Grace abounding to the chief of sinners: And the pilgrim's progress; from this world to that which is to come. O.U.P..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)BUNYAN, John. Grace Abounding to the Chief of Sinners: And the Pilgrim's Progress; from This World to That Which Is to Come. London: O.U.P., 1966.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)BUNYAN, John. Grace Abounding to the Chief of Sinners: And the Pilgrim's Progress; from This World to That Which Is to Come. O.U.P., 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.