APA-viite (7. p.)
Valik, D. J. (2013). Microsoft Lync 2013 unified communications: From telephony to real-time communication in the digital age. Packt Publishing.
Chicago-viite (17. p.)
Valik, Daniel Jonathan. Microsoft Lync 2013 Unified Communications: From Telephony to Real-time Communication in the Digital Age. Birmingham, U.K.: Packt Publishing, 2013.
MLA-viite (9. p.)
Valik, Daniel Jonathan. Microsoft Lync 2013 Unified Communications: From Telephony to Real-time Communication in the Digital Age. Packt Publishing, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.