McClafferty, C. K. (2013). Fourth down and inches: Concussions and football's make-or-break moment. Carolrhoda Books.
Цитирование в стиле Чикаго (17-е изд.)McClafferty, Carla Killough. Fourth Down and Inches: Concussions and Football's Make-or-break Moment. Minneapolis, MN: Carolrhoda Books, 2013.
Цитирование MLA (8-е изд.)McClafferty, Carla Killough. Fourth Down and Inches: Concussions and Football's Make-or-break Moment. Carolrhoda Books, 2013.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.