Cowan, Henry J., author
E&FN Spon, 1998
Buku Teks
Gregorius A. Gegana A., author
Fakultas Teknik Universitas Indonesia, 2007
UI - Skripsi (Membership)
Emmitt, stephen, author
Wiley-Blackwell, 2012
Buku Teks
Glass, Jacqueline, author
Wiley-Academy, 2002
Buku Referensi
Hale, Jonathan A., author
John Wiley & Sons, 2000
Buku Teks