Krishna, Anand
Gramedia Pustaka Utama, 1999
Buku Teks SO
Muhammad Ngusri Yusron
2015
UI - Tesis Membership
MIT Press, 1999
Buku Teks
Erna Risnawati
Fakultas Psikologi Universitas Indonesia, 2013
UI - Tesis Membership
Chan, V.P. Yance
Gramedia, 2004
Buku Teks SO