Greer, Charles R., author
Prentice-Hall, 2001
Buku Teks
by Noe, Raymond A. [and others]
McGraw-Hill, 2003
Buku Teks
Storey, John, 1950-, author
Blackwell, 1992
Buku Teks
De Cenzo, David A.
John Wiley & Sons, 1994
Buku Teks
The Free Press, 1985
Buku Teks