PANDYA, R. (2004). MOBILE AND PERSONAL COMMUNICATIONS SYSTEMS AND SERVICES. PHI.
Chicago-viite (17. p.)PANDYA, RAJ. MOBILE AND PERSONAL COMMUNICATIONS SYSTEMS AND SERVICES. NEW DELHI: PHI, 2004.
MLA-viite (9. p.)PANDYA, RAJ. MOBILE AND PERSONAL COMMUNICATIONS SYSTEMS AND SERVICES. PHI, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.