Biddle, William W.
Holt, Rinehart and Winston, Inc., 1965
Buku Teks
Dikko Alrakhman, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Putri Yuliasari, author
2018
UI - Makalah dan Kertas Kerja
Goodenough, Ward Hunt
Russell Sage Foundation, 1963
Buku Teks
Clinard, Marshall B. (Marshall Barron), author
The Tree Press, 1966
Buku Teks