Buku Teks
Frick, Heinz, author
Kanisius, 2006
Buku Teks
Teddy Boen, author
[publisher not identified], [date of publication not identified]
Buku Referensi
[publisher not identified], [date of publication not identified]
Buku Teks
Ahmad Fauzan, author
Fakultas Teknik Universitas Indonesia, 1996
UI - Skripsi (Membership)