Sparks, K. (1984). Long-distance runners guide to training and racing: Build your endurance, strength and efficiency. Prentice-Hall.
Chicago-referens (17:e uppl.)Sparks, Ken. Long-distance Runners Guide to Training and Racing: Build Your Endurance, Strength and Efficiency. Englewood Cliffs, N. J: Prentice-Hall, 1984.
MLA-referens (9:e uppl.)Sparks, Ken. Long-distance Runners Guide to Training and Racing: Build Your Endurance, Strength and Efficiency. Prentice-Hall, 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.