Collins, D. R. (1996). Got a penny?: The story of Dorothy Day. Pauline Books & Media.
Chicago Style (17. basım) AtıfCollins, David R. Got a Penny?: The Story of Dorothy Day. Boston: Pauline Books & Media, 1996.
MLA (8th ed.) AtıfCollins, David R. Got a Penny?: The Story of Dorothy Day. Pauline Books & Media, 1996.
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