Citazione Stile APA (7a Edizione)
Au, D., & Baldwin, C. (2005). CISCO IP Communications Express: CallManager Express with Cisco Unity Express. Cisco Press.
Citazione stile Chigago Style (17a edizione)
Au, Danelle, e Choi Baldwin. CISCO IP Communications Express: CallManager Express with Cisco Unity Express. Indianapolis: Cisco Press, 2005.
Citatione MLA (9a ed.)
Au, Danelle, e Choi Baldwin. CISCO IP Communications Express: CallManager Express with Cisco Unity Express. Cisco Press, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.