175 DAFTAR PUSTAKA
Adi. (2012). Warga Indonesia Dipenjara Karena Kartun Nabi Muhammad. http://khabarsoutheastasia.com/id/articles/apwi/articles/newsbriefs/2012/0 6/16/newsbrief-08 (Tanggal akses 19 Maret 2013)
Baron & Bryne. (2005). Social Psychology 10th ed. Pearson Education, Inc.
Burn, Shawn. 2004. Groups Theory and Practice. Canada: Vicki Knight
Dister, Nico. (1988). Pengalaman dan Motivasi Beragama. Jakarta: Kanisius
Gay, L.R. & Airisian, P. (2003). Educational Research: Competence for Analysis & Aplication 7th ed. New Jersey: Merril Prentice Hall.
Gultom, Ibrahim. (2010). Agama Malim di Tanah Batak. Jakarta: Bumi Aksara
Hafer, C.L. & Begue, L. (2005). Experimental Research on Just-World Theory: Problems, Developments, and Future Challenge
Haksoro, A. (2012) Akui Hak Penghayat Kepercayaan
http://www.vhrmedia.com/new/berita_detail.php?id=629 (Tanggal akses12 Februari 2013)
Hogg, Michael A, Graham M. Vaugham.2002.Social Psychology Third Edition. Pearson Education.
Janis, I.L., & Mann, L.,(1977). Decision Making: A Psychological Analysis of Conflict, Choice and Commitment. New York: The Free Press
Moleong, L. J. (2005). Metodologi Penelitian Kualitatif. Bandung: PT Remaja Rosdakarya.
Morgan, C. T. (1986). Introduction to Psychology 7th ed. Singapore: Mc. Graw Hill Inc.
Paloutzian, R.F. (1996). Invitation to The Psychology of Religion Second Edition.
Boston: Allyn and Bacon
Poerwandari, K. (2007). Pendekatan Kualiatif dalam Penelitian Psikologi. Jakarta: Lembaga Pengembangan Sarana Pengukuran dan Pendidikan Psikologi (LPSP3) UI.
Ramayulis,Djalaludin. (2002). Psikologi Agama. Jakarta: Kalam Mulia
176 Salusu, J. (2004). Pengambilan Keputusan Stratejik Untuk Organisasi Publik dan
Organisasi Non Profit. Jakarta: PT. Grasindo
Sinulingga, Risnawaty. (2006). Pendidikan Agama Kristen Protestan. Medan: Pustaka Bangsa Press
Tiorry. (2010). Parmalim.
http://tiorry-psikologi.blogspot.com/2010_12_19_archive.html (Tanggal akses 17 November 2012)
