Earl Campbell. (1999). The Earl Campbell story: A football great's battle with panic disorder. Ontario, Canada: ECW Press.
Čikaški stil citiranjaEarl Campbell. The Earl Campbell Story: A Football Great's Battle With Panic Disorder. Ontario, Canada: ECW Press, 1999.
MLA način citiranjaEarl Campbell. The Earl Campbell Story: A Football Great's Battle With Panic Disorder. Ontario, Canada: ECW Press, 1999.
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