Copperman, E. J., & Cohen, J. (2017). The question of the absentee father: An Asperger's mystery (First edition.). Midnight Ink.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCopperman, E. J., और Jeffrey Cohen. The Question of the Absentee Father: An Asperger's Mystery. First edition. Woodbury, Minnesota: Midnight Ink, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCopperman, E. J., और Jeffrey Cohen. The Question of the Absentee Father: An Asperger's Mystery. First edition. Midnight Ink, 2017.
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