Dale, Ernest, author
McGraw-Hill, 1960
Buku Teks
McCormick, Ernest J. (Ernest James), author
Prentice-Hall, 1984
Buku Teks
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)
Shirin Istikhara Djamhari, author
2015
UI - Skripsi (Membership)
edited by Wendell L. French and Don Hellriegel
Houghton Mifflin, 1971
Buku Teks