West, Edie, author
McGraw-Hill, 1999
Buku Teks
Puti Archianti Widiasih, author
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Baron, Robert A., author
Allyn and Bacon, 1991
Buku Teks
Simanjuntak, Hembang, author
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Solita Sarwono, 1948-, author
FKM UI, 1982
Buku Teks