Bresnahan, G. T., & Tuttle, W. W. (1937). Track and field athletics. The C. V. Mosby company.
Lua i Stíl Chicago (17ú heag.)Bresnahan, George Thomas, agus W. W. Tuttle. Track and Field Athletics. St. Louis: The C. V. Mosby company, 1937.
Lua MLA (8ú heag.)Bresnahan, George Thomas, agus W. W. Tuttle. Track and Field Athletics. The C. V. Mosby company, 1937.
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