McClafferty, C. K. (2013). Fourth down and inches: Concussions and football's make-or-break moment. Carolrhoda Books.
Style de citation Chicago (17e éd.)McClafferty, Carla Killough. Fourth Down and Inches: Concussions and Football's Make-or-break Moment. Minneapolis, MN: Carolrhoda Books, 2013.
Style de citation MLA (8e éd.)McClafferty, Carla Killough. Fourth Down and Inches: Concussions and Football's Make-or-break Moment. Carolrhoda Books, 2013.
Attention : ces citations peuvent ne pas être correctes à 100%.