Bernardin, H. John, author
McGraw-Hil, 1993
Buku Teks
Milkovich, George T., author
Tex Business Publications , 1985
Buku Teks
Bernardin, H. John, author
McGraw-Hill, 2003
Buku Teks
Bernardin, H. John, author
McGraw-Hill, 2013
Buku Teks
Greer, Charles R., author
Prentice-Hall, 2001
Buku Teks