Fletcher, G. F., & Cantwell, J. D. (1974). Exercise and coronary heart disease; role in prevention diagnosis, treatment. Thomas.
Lua i Stíl Chicago (17ú heag.)Fletcher, Gerald F., agus John Davis Cantwell. Exercise and Coronary Heart Disease; Role in Prevention Diagnosis, Treatment. Springfield, IL: Thomas, 1974.
Lua MLA (9ú heag.)Fletcher, Gerald F., agus John Davis Cantwell. Exercise and Coronary Heart Disease; Role in Prevention Diagnosis, Treatment. Thomas, 1974.
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