Kolker, R. (2020). Hidden Valley Road: Inside the mind of an American family (First large print edition.). Random House Large Print.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKolker, Robert. Hidden Valley Road: Inside the Mind of an American Family. First large print edition. New York: Random House Large Print, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKolker, Robert. Hidden Valley Road: Inside the Mind of an American Family. First large print edition. Random House Large Print, 2020.
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