Perutz, M.F.
Oxford University Press, 1991
Buku Teks SO
Vavoulis
s.n., 1978
Buku Teks SO
Soemitro Djojohadikusumo
LP3ES, 1977
Buku Teks SO
Soemitro Djojohadikusumo
Institute for Economic and Social Research, Education, and Information, 1977
Buku Teks
edited by Corey K. Creekmur, Alexander Doty
Cassell, 1995
Buku Teks SO