Garnet, R. W. (1985). The Telephone Enterprise: The Evolution of the Bell System's Horizontal Structure, 1876-1909. Baltimore: The Johns Hopkins University Press.
استشهاد بنمط شيكاغوGarnet, Robert W. The Telephone Enterprise: The Evolution of the Bell System's Horizontal Structure, 1876-1909. Baltimore: The Johns Hopkins University Press, 1985.
MLA استشهادGarnet, Robert W. The Telephone Enterprise: The Evolution of the Bell System's Horizontal Structure, 1876-1909. Baltimore: The Johns Hopkins University Press, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.