Zenger, John H., author
McGraw-Hill, 2004
Buku Referensi
Zenger, John H., author
McGraw-Hill, 2003
Buku Teks
Perkins, Dennis N.T., 1953-, author
Amacom, 2012
Buku Teks
Hughes, Richard L., author
McGraw-Hill, 2012
Buku Teks
Hughes, Richard L., author
McGraw-Hill , 2015
Buku Teks