Allen, Edward, author
John Wiley & Sons, 1999
Buku Teks
Allen, Edward, author
Wiley , 2014
Buku Teks
Rosen, Harold J., author
John Wiley & Sons, 1979
Buku Teks
Digor Unggul Nalendra, author
Fakultas Teknik Universitas Indonesia, 2007
UI - Skripsi (Membership)
Taylor, G.D.
Longman, 1985
Buku Teks