Hadari Nawawi, author
Gadjah Mada University Press, 1993
Buku Teks
Gordon, Thomas, author
RajaGrafindo Persada, 1994
Buku Teks
Handari Nawawi, author
UGM Press, 2012
Buku Teks
I Nyoman Wijaya, author
Universitas Indonesia, 1999
UI - Tesis (Membership)
Fakultas Psikologi Universitas Indonesia, 1982
UI - Skripsi (Membership)