editor, Robert E. Egner; penerjemah, Rani Rahmanillah
Sadasiva, 2003
Buku Teks SO
Marlando Wawolumaya
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2011
UI - Tesis Open
Fritz, Charles A.
Routledge & Kegan Paul, 1952
Buku Teks SO
Jodi Roudho Prayogo
Fakultas Teknik Universitas Indonesia, 2021
UI - Tesis Membership
Martin, R.M.
University of Chicago Press, 1958
Buku Teks SO