Franklin

MLA

Noll, A. Michael. Introduction to Telephones & Telephone Systems. 2nd ed. Boston: Artech House, 1991.

APA

Noll, A. Michael. (1991). Introduction to telephones & telephone systems. 2nd ed. Boston: Artech House.

Chicago

Noll, A. Michael. Introduction to Telephones & Telephone Systems. 2nd ed. Boston: Artech House, 1991.