edited by Yves Chapel
International Institute of Administrative Sciences, 1977
Buku Teks
Field, G. Lowell
Cornell University Press, 1967
Buku Teks SO
Warburton, Nigel, 1962-
Routledge, 2000
Buku Teks SO
editor Miriam Budiardjo
Gramedia , 1975
Buku Teks SO
Muhammad Junaidi
Setara Press, 2016
Buku Teks SO