Castillo, E. M. & Comstock, R. D. (2007). Prevalence of use of performance-enhancing substances among United States adolescents. Pediatric Clinics of North America, 54 (4), 663-675. doi: 10.1016/j.pcl.2007.04.002
APA-Zitierstil (7. Ausg.)Castillo, E. M., & Comstock, R. D. (2007). Prevalence of use of performance-enhancing substances among United States adolescents. Pediatric Clinics of North America, 54(4), 663-675.
Chicago-Zitierstil (17. Ausg.)Castillo, E. M., und R. D. Comstock. "Prevalence of Use of Performance-enhancing Substances Among United States Adolescents." Pediatric Clinics of North America 54, no. 4 (2007): 663-675.
MLA-Zitierstil (9. Ausg.)Castillo, E. M., und R. D. Comstock. "Prevalence of Use of Performance-enhancing Substances Among United States Adolescents." Pediatric Clinics of North America, vol. 54, no. 4, 2007, pp. 663-675.