Παραπομπή APA

Simpson, A. (1978). Data communications: Spreading the message. Input two-nine.

Παραπομπή Chicago Style

Simpson, Alan. Data Communications: Spreading the Message. Purley: Input two-nine, 1978.

Παραπομπή MLA

Simpson, Alan. Data Communications: Spreading the Message. Input two-nine, 1978.