Snedecor, George W.
Statistical methods, applied to experiments in agriculture and biology
The Iowa State University Press, 1964
 Buku Teks
Snedecor, George W.
Statistical methods, applied, to experiment in agriculture and biology
The Iowa State University Press, 1962
 Buku Teks SO
Bailley, Norman T. J.
Statistical methods in biology
Cambridge University Press, 1992
 Buku Teks
Woelke, Manfred
Statistical information on Indonesian agriculture
Nasional Printers Pte, 1978
 Buku Teks
Snedecor, George W.
Statistical methods
Iowa State University Press, 1989
 Buku Teks