Gaya APA

DUMAS, M, B., SCHWARTZ, M. (2009). PRINCIPLES OF COMPUTER NETWORKS AND COMMUNICATIONS (-). AMERIKA SERIKAT: PRENTICE HALL.

Gaya MLA

DUMAS, M., BARRY., SCHWARTZ, MORRIS. "PRINCIPLES OF COMPUTER NETWORKS AND COMMUNICATIONS". - AMERIKA SERIKAT: PRENTICE HALL, 2009. Text.