Cradock, A. L., Melly, S. J., Allen, J. G., Morris, J. S., & Gortmaker, S. L. (2007). Characteristics of School Campuses and Physical Activity Among Youth.
استشهاد بنمط شيكاغوCradock, Angie L., Steven J. Melly, Joseph G. Allen, Jeffrey S. Morris, و Steven L. Gortmaker. Characteristics of School Campuses and Physical Activity Among Youth. 2007.
MLA استشهادCradock, Angie L., et al. Characteristics of School Campuses and Physical Activity Among Youth. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.