Harvey, N., Westgate, K., Brage, S., Crozier, S., Dennison, E., Inskip, H., . . . Cooper, C. (2008). Average physical activity is associated with hip size and density in boys but not girls at 4 years old.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harvey, N., et al. Average Physical Activity Is Associated with Hip Size and Density in Boys but Not Girls at 4 Years Old. 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Harvey, N., et al. Average Physical Activity Is Associated with Hip Size and Density in Boys but Not Girls at 4 Years Old. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.