Gumilar Rusliwa Somantri, author
Masyarakat: Jurnal Sosiologi, 2000
Artikel Jurnal
Edited by Wilbert E. Moore and Neil J. Smelser.
Prentice-Hall, 1966
Buku Teks
Prentice-Hall, 1969
Buku Teks
Deri Prahayu Reunianda, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2008
UI - Skripsi (Open)
Bose, Ashish, author
Tata McGraw-Hill , 1978
Buku Teks