Blau, Peter M.
Formal organizations : a comparative approach
Routledge & Kegan Paul, 1963
 Buku Teks
Abdul Kholik
Dinamika Hubungan Muhammadiyah dengan NU Pasca Orde Baru (1998-2003)
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
 UI - Tesis Membership
Directory of European associations : part 2 = Repertoire des associations europeennes : partie 2 = Handbuch der europaischen Verbande : teil 2
editor, RW Adams
CBD Research, 1984
 Buku Referensi
Encyclopedia of associations : volume I, national organizations of the United States
editor, Frederick G. Ruffner, Robert C. Thomas, Ann Underwood, Harold C. Young
Gale Research, 1964
 Buku Referensi
Rice, Charles E.
Freedom of association / Charles E. Rice
New York University press, 1962
 Buku Teks SO