APA (7th ed.) Citation

American National Standards Institute & Exchange Carriers Standards Association. (1993). American national standards for telecommunications: Integrated services digital network (ISDN) : user-to-user signalling supplementary service. Exchange Carriers Standards Association.

Chicago Style (17th ed.) Citation

American National Standards Institute and Exchange Carriers Standards Association. American National Standards for Telecommunications: Integrated Services Digital Network (ISDN) : User-to-user Signalling Supplementary Service. Washington, D.C.: Exchange Carriers Standards Association, 1993.

MLA (8th ed.) Citation

American National Standards Institute and Exchange Carriers Standards Association. American National Standards for Telecommunications: Integrated Services Digital Network (ISDN) : User-to-user Signalling Supplementary Service. Exchange Carriers Standards Association, 1993.