Boylestad, Robert L., author
Prentice-Hall, 1982
Buku Teks
Kofi A. A. Makinwa, Andrea Baschirotto, Pieter Harpe, editors
Springer Nature, 2019
eBooks
Allen, Phillip E., author
Holt, Rinehart & Winston, 1987
Buku Teks
Kularatna, Nihal, author
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Keller, Peter A., author
John Wiley & Sons, 1997
Buku Teks