Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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