Crosby, J., & Jackson, S. A. (2011). Harness horses, bucking broncos & pit ponies: A history of horse breeds. Tundra Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrosby, Jeff, और Shelley Ann Jackson. Harness Horses, Bucking Broncos & Pit Ponies: A History of Horse Breeds. Toronto: Tundra Books, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCrosby, Jeff, और Shelley Ann Jackson. Harness Horses, Bucking Broncos & Pit Ponies: A History of Horse Breeds. Tundra Books, 2011.
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