Schechter, H., & Campbell, D. (2016). Psycho usa: Famous american killers you never heard of (Unabridged.). Tantor Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchechter, Harold, और Danny Campbell. Psycho Usa: Famous American Killers You Never Heard of. Unabridged. Old Saybrook: Tantor Media, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchechter, Harold, और Danny Campbell. Psycho Usa: Famous American Killers You Never Heard of. Unabridged. Tantor Media, 2016.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.