Kleinfield., S. (1981). The biggest company on earth: A profile of AT&T. New York: Holt, Rinehart, and Winston.
Chicago Stili AlıntıKleinfield., Sonny. The Biggest Company On Earth: A Profile of AT&T. New York: Holt, Rinehart, and Winston, 1981.
MLA AlıntıKleinfield., Sonny. The Biggest Company On Earth: A Profile of AT&T. New York: Holt, Rinehart, and Winston, 1981.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..