Antonius Suhartomo, author
Universitas Indonesia, 1993
UI - Tesis (Membership)
Tresna Priyana Soemardi, author
Lembaga Penelitian Universitas Indonesia, 1995
UI - Laporan Penelitian
Brown, David R., author
Collier Macmillan, 1984
Buku Teks
Fuller, A.J. Baden, author
Pergamon Press, 1979
Buku Teks
Soohoo, Ronald F., author
Addison-Wesley, 1971
Buku Teks