Withnall, C., Shewchenko, N., Gittens, R., & Dvorak, J. (2005). Biomechanical investigation of head impacts in football. BMJ Group.
استشهاد بنمط شيكاغوWithnall, C., N. Shewchenko, R. Gittens, و J. Dvorak. Biomechanical Investigation of Head Impacts in Football. BMJ Group, 2005.
MLA استشهادWithnall, C., N. Shewchenko, R. Gittens, و J. Dvorak. Biomechanical Investigation of Head Impacts in Football. BMJ Group, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.