APA-referens (7:e uppl.)

Summers, C. K. (1995). ISDN implementor's guide: Standards, protocols, & services. McGraw-Hill.

Chicago-referens (17:e uppl.)

Summers, Charles K. ISDN Implementor's Guide: Standards, Protocols, & Services. New York: McGraw-Hill, 1995.

MLA-referens (8:e uppl.)

Summers, Charles K. ISDN Implementor's Guide: Standards, Protocols, & Services. McGraw-Hill, 1995.