Kurtz, Linda Farris
Self-help and support group: a handbook for practitioners / Linda Farris Kurtz
Sage Publications, 1997
 Buku Teks
Social identity processes in organizational contexts
edited by Michael A. Hogg and Deborah J. Terry
Psychology Press, 2001
 Buku Teks
Small groups: studies in social interaction
Alfred A. Knoff, 1955
 Buku Teks
Muhamad Hanafiah
Pengaruh Kredibilitas Sumber (Source Credibility), Identitas Sosial (Social Identity) dan Story Telling Terhadap Niat beli Konsumen = Impact of Source credibility, Identity Social identity and Story telling Against Consumer Buying Interests
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2023
 UI - Tesis (Membership)
Brieland, Donald
Contemporary social work : an introduction to social work and social welfare
McGraw-Hill, 1975
 Buku Teks