Encounter
London : William Clowes and Sons Ltd
Majalah, Jurnal, Buletin
Smith, L. Glenn
Myth and reality : readings in education
Allyn and Bacon, 1973
Buku Teks
Dubin, Robert
Human relations in administration : with readings
Prentice-Hall, 1968
Buku Teks
Readings learning and human abilities
Harper,
Buku Teks
Dubin, Robert
Human relations in administration : with readings
Prentice Hall of India, 1977
Buku Teks