Hay, J. G. (1973). The biomechanics of sports techniques. Prentice-Hall.
Chicago Style aipamenaHay, James G. The Biomechanics of Sports Techniques. Englewood Cliffs, N.J: Prentice-Hall, 1973.
MLA aipamenaHay, James G. The Biomechanics of Sports Techniques. Prentice-Hall, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.