Whetten, David A.
Developing management skills for Europe
Prentice-Hall, 2000
Buku Teks
Whetten, David A.
Developing management skills
Prentice-Hall, 2005
Buku Teks
Whetten, David A.
Developing management skills
Prentice-Hall, 2007
Buku Teks
Famularo, J.J.
Supervisors in action : developing your skills in management people / J.J. Famularo
McGraw-Hill, 1961
Buku Teks
Camp, Sue C.
Developing proofreading and editing skills
Glencoe/McGraw-Hill, 2001
Buku Teks