Kolker, R. (2020). Hidden Valley Road: Inside the mind of an American family (First edition.). Doubleday.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKolker, Robert. Hidden Valley Road: Inside the Mind of an American Family. First edition. New York: Doubleday, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKolker, Robert. Hidden Valley Road: Inside the Mind of an American Family. First edition. Doubleday, 2020.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.