Gaya APA

Swanson, C, P., Sippl, C, J. (NULL). Data communications dictionary . London:: London: Van Norstrand Reinhold Company; 1976.

Gaya MLA

Swanson, Carl, P.., Sippl, Charles, J.. "Data communications dictionary". London:: London: Van Norstrand Reinhold Company; 1976, NULL. Text.