APA (7th ed.) Citation

(2006). Signalling system no. 7: ISDN user part version 2 ([1. ed.].). JP know-how.

Chicago Style (17th ed.) Citation

Signalling System No. 7: ISDN User Part Version 2. [1. ed.]. Bratislava: JP know-how, 2006.

MLA (9th ed.) Citation

Signalling System No. 7: ISDN User Part Version 2. [1. ed.]. JP know-how, 2006.