Gemma Stamina Kurniawan
Fakultas Teknik Universitas Indonesia, 2003
UI - Skripsi (Membership)
Abraham, Ralph
Telos , 1995
Buku Teks
Stout, Rick
McGraw-Hill, 1996
Buku Referensi
Grimes, Galen A.
QUE, 1996
Buku Teks
Graham, David T.
Prentice-Hall, 2000
Buku Teks