Polidoro, J. R. (2000). Sport and physical activity in the modern world. Boston: Allyn and Bacon.
استشهاد بنمط شيكاغوPolidoro, J. Richard. Sport and Physical Activity in the Modern World. Boston: Allyn and Bacon, 2000.
MLA استشهادPolidoro, J. Richard. Sport and Physical Activity in the Modern World. Boston: Allyn and Bacon, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.