APA
Spengler J. O., . (2009). Introduction to sport law. Champaign, IL: Human Kinetics.
Chicago
Spengler John O, . 2009. Introduction to sport law. Champaign, IL: Human Kinetics.
Harvard
Spengler J. O., . (2009). Introduction to sport law. Champaign, IL: Human Kinetics.
MLA
Spengler John O, . Introduction to sport law. Champaign, IL: Human Kinetics. 2009.