Roman, Murray
Telephone marketing
McGraw-Hill, 1976
 Buku Teks
Briley, Bruce E.
Introduction to telephone switching / Bruce E. Briley
Addison-Wesley, Advanced Book Program , 1983
 Buku Teks
Irfan Rahmanindra
Installation audit analysis on 2200VA house = Analisis audit instalasi pada rumah 2200VA
Fakultas Teknik Universitas Indonesia, 2021
 UI - Skripsi Membership
Lewis, Maurice
Electrical installation technology 2
Stanley Thornes Publishers, 1993
 Buku Teks
Griesinger, Frank Kern
How to cut costs and improve service of your telephone, telex, TWX, and other telecommunications [by] Frank Kern Griesinger.
McGraw-Hill Book , 1974
 Buku Teks