Ball, D. (2017). Backwards and forwards: A technical manual for reading plays. Southern Illinois University Press.
Chicago Style (17. basım) AtıfBall, David. Backwards and Forwards: A Technical Manual for Reading Plays. Carbondale: Southern Illinois University Press, 2017.
MLA (9th ed.) AtıfBall, David. Backwards and Forwards: A Technical Manual for Reading Plays. Southern Illinois University Press, 2017.
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