APA-viite

Lawrence, D. W., Hutchison, M. G., & Comper, P. (2015). Descriptive Epidemiology of Musculoskeletal Injuries and Concussions in the National Football League, 2012-2014. Orthop J Sports Med.

Chicago-tyylinen lähdeviittaus

Lawrence, David W., Michael G. Hutchison, ja Paul Comper. "Descriptive Epidemiology of Musculoskeletal Injuries and Concussions in the National Football League, 2012-2014." Orthop J Sports Med 2015.

MLA-viite

Lawrence, David W., Michael G. Hutchison, ja Paul Comper. "Descriptive Epidemiology of Musculoskeletal Injuries and Concussions in the National Football League, 2012-2014." Orthop J Sports Med 2015.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.