Buchsbaum, Walter H., author
Prentice-Hall, 1977
Buku Teks
Bob Gordon, consultant editor; Maggie Gordon, consultant editor
Watson-Guptill Publications, 2002
Buku Teks
Greenburg, Steve, author
Alpha, 2002
Buku Referensi
Aries Kurniawan, author
Fakultas Teknik Universitas Indonesia, 2010
UI - Skripsi Open
Stover, Allan C., author
McGraw-Hill, 1984
Buku Teks