Fox, E. L., Kirby, T. E., & Fox, A. R. (1986). Bases of fitness. Macmillan.
Chicago Style aipamenaFox, Edward L., Timothy E. Kirby, and Ann Roberts Fox. Bases of Fitness. New York: Macmillan, 1986.
MLA aipamenaFox, Edward L., et al. Bases of Fitness. Macmillan, 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.