Soemitro Djojohadikusumo
Institute for Economic and Social Research, Education, and Information, 1977
Buku Teks
Norman, Colin
W.W. Norton, 1981
Buku Teks SO
Ladrière, Jean
Unesco, 1977
Buku Teks SO
Lowrance, William W.
Oxford University Press, 1985
Buku Teks SO
Capra, Fritjof
Flamingo, 1982
Buku Teks SO