Winer, B.J.
McGraw-Hill, 1971
Buku Teks
Enrick, Norbert L.
Industrial Press, INC, 1983
Buku Teks
Zolman, James F.
Oxford University Press, 1993
Buku Teks
Kempthorne, Oscar
Robert E. Krieger Publishing Company, 1979
Buku Teks
Kempthorne, Oscar
John Wiley & Sons, 1962
Buku Teks