Burke, W. Warner
Institute for Applied Behavioral Science, 1970
Buku Teks SO
Artikel Jurnal
Artikel Jurnal
Gulley, Halbert E.
Holt, Rinehart and Wiston, 1960
Buku Teks SO
edited by Marc Perlman; Indonesian translation by Tinuk Rozalia Yampolsky and Marc Perlman
The Festival of Indonesia Foundation, 1992
Buku Teks SO