Munn, R.E., author
Academic Press, 1970
Buku Teks
edited by P. Rozsa
North-Holland, 1980
Buku Teks
Snedecor, George W., author
Iowa State University Press, 1989
Buku Teks
Snedecor, George W., author
The Iowa State University Press, 1980
Buku Teks
Snedecor, George W., author
The Iowa State University Press, 1950
Buku Teks