Ecker, T., Wilt, F., & Hay, J. G. (1974). Olympic track and field techniques: An illustrated guide to developing champions. Parker Pub. Co.
Citace podle Chicago (17th ed.)Ecker, Tom, Fred Wilt, a James G. Hay. Olympic Track and Field Techniques: An Illustrated Guide to Developing Champions. West Nyack, N.Y.: Parker Pub. Co, 1974.
Citace podle MLA (8th ed.)Ecker, Tom, et al. Olympic Track and Field Techniques: An Illustrated Guide to Developing Champions. Parker Pub. Co, 1974.
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