Derfler, Frank J.
Prentice-Hall, 1982
Buku Teks
Derenzo, Stephen E.
Prentice-Hall, 1990
Buku Teks
Seals, Richard C.
Stanley Thornes, 1993
Buku Teks
Cannon, Don L.
Texas Instuments, 1982
Buku Teks
Stoecker, Wilbert Frederick
Van Nostrand Reihold, 1989
Buku Teks