Ball, D. (2017). Backwards and forwards: A technical manual for reading plays. Southern Illinois University Press.
Citação norma ChicagoBall, David. Backwards and Forwards: A Technical Manual for Reading Plays. Carbondale: Southern Illinois University Press, 2017.
Citação norma MLABall, David. Backwards and Forwards: A Technical Manual for Reading Plays. Southern Illinois University Press, 2017.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.