APA-referens (7:e uppl.)

Higdon, H. (2016). Hal Higdon's half marathon training. Human Kinetics.

Chicago-referens (17:e uppl.)

Higdon, Hal. Hal Higdon's Half Marathon Training. Champaign, IL: Human Kinetics, 2016.

MLA-referens (9:e uppl.)

Higdon, Hal. Hal Higdon's Half Marathon Training. Human Kinetics, 2016.