Covey, Sean
The 7 habits of highly effective teens : personal workbook
A Fireside Book, 2004
 Buku Teks
Covey, Sean
The 7 habits of highly effective teens : personal workbook
[publisher not identified], [date of publication no identified]
 Buku Teks SO
Ashar Sunyoto Munandar
Psikologi industri dan organisasi
UI-Press, 2006
 Buku Teks
Nicolson, Paula
Applied psychology for social workers
MacMillan Education, 1986
 Buku Teks SO
Adams, Linda
Jadilah diri anda sendiri : efektivitas pribadi dalam hidup dan hubungan anda = be your self : personal effektveness in your life and your relationships
Gramedia Pustaka Utama, 1995
 Buku Teks SO