APA (7th ed.) Citation

Perényi, J., Session initiation protocol, & Signalling system no. 7. (2006). ISBN 2006. JP know - how.

Chicago Style (17th ed.) Citation

Perényi, Juraj, Session initiation protocol, and Signalling system no. 7. ISBN 2006. Bratislava: JP know - how, 2006.

MLA (9th ed.) Citation

Perényi, Juraj, et al. ISBN 2006. JP know - how, 2006.

Warning: These citations may not always be 100% accurate.