APA aipamena

FREER, J. R. (1990). COMPUTER COMMUNICATIONS AND NETWORKS. MCGRAW HILL.

Chicago Style aipamena

FREER, J R. COMPUTER COMMUNICATIONS AND NETWORKS. -: MCGRAW HILL, 1990.

MLA aipamena

FREER, J R. COMPUTER COMMUNICATIONS AND NETWORKS. MCGRAW HILL, 1990.