Johannes Bauer
Springer, 2012
eBooks
Ormrod, Jeanne Ellis, author
Macmillan, 1990
Buku Teks
edited by John E. Morrison
Wiley, 1991
Buku Teks
Lily Salim, author
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Lily Salim, author
Universitas Indonesia, 2006
UI - Tesis (Membership)