Doctorow, E. L. (2007). Welcome to Hard Times: A novel (Random House Trade paperback ed.). Random House Trade Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoctorow, E. L. Welcome to Hard Times: A Novel. Random House Trade paperback ed. New York: Random House Trade Paperbacks, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDoctorow, E. L. Welcome to Hard Times: A Novel. Random House Trade paperback ed. Random House Trade Paperbacks, 2007.
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