Koontz, D. R. (2026). The friend of the family (First edition.). Thomas & Mercer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKoontz, Dean R. The Friend of the Family. First edition. Seattle: Thomas & Mercer, 2026.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKoontz, Dean R. The Friend of the Family. First edition. Thomas & Mercer, 2026.
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