Burd, Barry, author
John Wiley & Sons, 2014
Buku Teks
O`Hara, Liz, author
IDG Books Worldwide, 1999
Buku Teks
Lippi, Francesco
Edward Elgar, 1999
Buku Teks
Harahap, Achmad Rivai, author
Fakultas Teknik Universitas Indonesia, 1997
UI - Skripsi (Membership)
Penguin , 1965
Buku Teks