Enrick, Norbert L.
Industrial Press, INC, 1983
Buku Teks
Myers, Jerome L., author
Routledge, 2010
Buku Teks
Heiberger, Richard M.
John Wiley & Sons, 1989
Buku Teks
Kempthorne, Oscar, author
Robert E. Krieger Publishing Company, 1979
Buku Teks
Kempthorne, Oscar, author
John Wiley & Sons, 1962
Buku Teks