Cook, Curtis W., author
Irwin, 1997
Buku Teks
Cook, Curtis W., author
McGraw-Hill, 2001
Buku Teks
Mitchell, Terence R., author
McGraw-Hill, 1987
Buku Teks
Mitchell, Terence R., author
McGraw-Hill, 1983
Buku Teks
Kreitner, Robert, author
McGraw-Hill, 2010
Buku Teks