Ghalia Indonesia, 2007
Buku Teks
R.B. Suryama Majanasastra
1989
UI - Skripsi (Membership)
Mira Aliza Rachmawati
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)
Gronlund, Norman E.
Allyn and Bacon, 1995
Buku Teks
Melinda Hariyanti Rustana Kusharto
Fakultas Psikologi Universitas Indonesia, 2006
UI - Tesis (Membership)