APA (7th ed.) Zitazioa

Ball, D. (2017). Backwards and forwards: A technical manual for reading plays. Southern Illinois University Press.

Chicago Style (17th ed.) Zitazioa

Ball, David. Backwards and Forwards: A Technical Manual for Reading Plays. Carbondale: Southern Illinois University Press, 2017.

MLA (9th ed.) Zitazioa

Ball, David. Backwards and Forwards: A Technical Manual for Reading Plays. Southern Illinois University Press, 2017.