Daftar Pustaka

http://djuriatun.blogspot.com/2011/06/pengertian-penderitaan.html

http://ajisseh39.blogspot.com/2012/10/manusia-dan-penderitaan.html

http://www.thecrowdvoice.com/post/pengertian-phobia-dan-berbagai-istilahnya-1-5425102.html

http://diradja.wordpress.com/2011/02/01/14-jenis-phobia-pada-manusia/