APA (7. basım) Alıntı

Spengler, J. O. (2006). Risk management in sport and recreation. Human Kinetics.

Chicago Style (17. basım) Atıf

Spengler, John O. Risk Management in Sport and Recreation. Champaign, IL: Human Kinetics, 2006.

MLA (9th ed.) Atıf

Spengler, John O. Risk Management in Sport and Recreation. Human Kinetics, 2006.