Cillius Adrianto
1999
UI - Tesis Membership
Frick, Heinz
Kanisius, 2006
Buku Teks SO
Andhi
Fakultas Teknik Universitas Indonesia, 1997
UI - Skripsi Membership
Teddy Boen
[publisher not identified], [date of publication not identified]
Buku Referensi
Direktorat Jenderal Cipta Karya, 1983
Buku Teks SO