Bernadine Estherline Shafirine
Hubungan antara hope dan readiness for change pada karyawan industri kreatif = The correlation between hope and readiness for change among creative industry employees
Universitas Indonesia, 2015
 UI - Skripsi Membership
Analisis 'hope' pada atlet bulu tangkis Indonesia juara dunia era '70 & '90
 Artikel Jurnal
Carlson, Neil R.
Psychology: the science of behavior
Allyn and Bacon , 1997
 Buku Teks
McMahon, Frank B.
Psychology: the hybrid science
The Dorsey Press, 1986
 Buku Teks
A Century of psychology as science
edited by Sigmund Koch, David E. Leary
APA, 2006
 Buku Teks