Black Dog & Leventhal Publisher, Inc, 2004
Buku Teks
edited by Nicola J. Petty ; foreword by Alison Rushton
Churchill Livingstone Elsevier, 2011
Buku Teks
Lockie, Andrew
Dorling Kindersley, 2001
Buku Teks
Hisyam Cholil
2013
UI - Tesis Membership
edited by Charles R. Figley
Sage, 2012
Buku Referensi