Johnstone, W. W., & Kessel, A. (2018). The black hills: Hunter buchanon black hills western series, book 1 (Unabridged.). Tantor Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnstone, William W., और Al Kessel. The Black Hills: Hunter Buchanon Black Hills Western Series, Book 1. Unabridged. Old Saybrook: Tantor Media, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohnstone, William W., और Al Kessel. The Black Hills: Hunter Buchanon Black Hills Western Series, Book 1. Unabridged. Tantor Media, 2018.
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