F.X. Budi W., author
" Pribadi, , 1981"
Buku Teks
Mauro Purnomo Rahardjo, author
[publisher not identified], 1982
Buku Teks
Rinaldy Prihandoko, author
2017
UI - Skripsi Membership
Laseau, Paul
ITB Bandung, 1986
Buku Teks
Luzadder, Warren J., author
Prentice-Hall, 1993
Buku Teks