COCHRAN, W. G., & COX, G. M. (1957). Experimental designs.-- Ed. 2. John Wiley and Sons.
Lua i Stíl Chicago (17ú heag.)COCHRAN, William G., agus Gertrude M. COX. Experimental Designs.-- Ed. 2. New York: John Wiley and Sons, 1957.
Lua MLA (9ú heag.)COCHRAN, William G., agus Gertrude M. COX. Experimental Designs.-- Ed. 2. John Wiley and Sons, 1957.
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