Artikel Jurnal
Brian Edwards, editor
Wiley-Academy, 2001
Buku Teks
Markus Zahnd, author
Kanisius, 2009
Buku Teks
Kurniawan Adi Chandra, author
Fakultas Teknik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Siegel, Curt, author
Universitas Parahyangan, [date of publication not identified]
Buku Teks