APA aipamena

Alencar, M. S., & da Rocha, V. C. (2005). Communication systems. Springer Science+Business Media, Inc.

Chicago Style aipamena

Alencar, Marcelo S., and Valdemar C. da Rocha. Communication Systems. New York: Springer Science+Business Media, Inc, 2005.

MLA aipamena

Alencar, Marcelo S., and Valdemar C. da Rocha. Communication Systems. Springer Science+Business Media, Inc, 2005.