Buchsbaum, Walter H., author
Prentice-Hall, 1987
Buku Referensi
Fakultas Teknik Universitas Indonesia, 2002
UI - Skripsi (Membership)
Hibberd, R. G.
McGraw-Hill, 1969
Buku Teks
Hodges, David A., author
Erlangga, 1987
Buku Teks
Lenk, John D., author
Reston , 1978
Buku Referensi