Tolong jelaskan mengenai Sumber dari Tinju dalam bahasa melayu

Price, Edmund The Science of Self Defense: A Treatise on Sparring and Wrestling, 1867

Patrick Myler (1997). A Century of Boxing Greats: Inside the Ring with the Hundred Best Boxers. Buku Robson (UK) / Penerbitan Parkwest (AS). ISBN 1-86105-258-8.

"Accidents Take Lives of Young Alumni" (Julai/Ogos 2005). Alumni Illinois, 18(1), 47.