Gaya APA

TUNSTALL, W, B. (1985). DISCONNECTING PARTIES, MANAGING THE BELL SYSTEM BREAK-UP: AN INSIDE VIEW . New York: McGraw Hill.

Gaya MLA

TUNSTALL, W., Brooke. "DISCONNECTING PARTIES, MANAGING THE BELL SYSTEM BREAK-UP: AN INSIDE VIEW". New York: McGraw Hill, 1985. Textbook.