India. Dept. of Telecommunications. (1986). Telegraph code for use in service telegrams (5th ed.). Govt. of India Press.
Chicago-referens (17:e uppl.)India. Dept. of Telecommunications. Telegraph Code for Use in Service Telegrams. 5th ed. [Nasik: Govt. of India Press, 1986.
MLA-referens (8:e uppl.)India. Dept. of Telecommunications. Telegraph Code for Use in Service Telegrams. 5th ed. Govt. of India Press, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.