Novit, Mitchell S.
Prentice-Hall, 1979
Buku Teks
Burke, Robert E, author
Jones and Bartlett Publishers , 2011
Buku Teks
Zimmerer, Thomas W., author
Prentice-Hall, 2002
Buku Teks
Vaughan, Emmett J., author
John Wiley & Sons, 1992
Buku Teks
Eisner, Howard, author
John Wiley & Sons, 2008
Buku Teks