Crump, Derrick
Chancellor Press , 1999
Buku Referensi
Crump, Derrick
Aquantum Book, 1992
Buku Referensi
B. Rasmoro P.
Fakultas Teknik Universitas Indonesia, 2000
UI - Skripsi Membership
Osbourn, Derek
Mitchell's, 1989
Buku Teks
editor in chief, Charles A. Harper
McGraw-Hill, 2004
Buku Referensi