Harahap, Ahmad Haikal, author
Universitas Indonesia, 1995
UI - Tugas Akhir
The Institute of Electrical and Electronics Engineers, Inc., 1982
Buku Referensi
Shinskey, F. G.
McGraw-Hill, 1994
Buku Teks
Mandl, F.
John Wiley & Sons, 1991
Buku Teks
Thompson, Lida F
Mosby, 1978
Buku Teks