Citazione Stile APA (7a Edizione)
Greenblatt, D. (2003). The call heard 'round the world: Voice over Internet Protocol and the quest for convergence. AMACOM, American Management Association.
Citazione stile Chigago Style (17a edizione)
Greenblatt, David. The Call Heard 'Round the World: Voice over Internet Protocol and the Quest for Convergence. New York: AMACOM, American Management Association, 2003.
Citatione MLA (9a ed.)
Greenblatt, David. The Call Heard 'Round the World: Voice over Internet Protocol and the Quest for Convergence. AMACOM, American Management Association, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.