Barry, John W.
McGraw-Hill, 1981
Buku Teks
Ulanoff, Stanley M., editor-in-chief
McGraw-Hill, 1985
Buku Referensi
Baldwin, David A. (David Allen)
Libraries Unlimited, 2003
Buku Referensi
Syackline
Fakultas Psikologi Universitas Indonesia, 2005
UI - Tesis (Membership)
Richardson, Linda
McGraw-Hill, 2003
Buku Teks