Janda, Louis, author
John Wiley & Sons, 2001
Buku Teks
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)
Fakultas Psikologi Universitas Indonesia, 2003
UI - Tesis (Membership)
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)
Craig, Robert J., author
John Wiley & Sons, 1999
Buku Teks