Dyfyniad APA
Cochran, W. G., & Cox, G. M. (1957). Experimental designs (2d ed.). Wiley.
Dyfyniad Arddull Chicago
Cochran, William Gemmell, and Gertrude M. Cox. Experimental Designs. 2d ed. New York: Wiley, 1957.
Dyfyniad MLA
Cochran, William Gemmell, and Gertrude M. Cox. Experimental Designs. 2d ed. Wiley, 1957.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.