Cita APA (7th ed.)

Brodhage, H., & Hormuth, W. (1968). Planning and engineering of radio relay links (7a. ed.). Siemens Aktiengesellschaft.

Cita Chicago (17th ed.)

Brodhage, Helmut, i Wilhelm Hormuth. Planning and Engineering of Radio Relay Links. 7a. ed. Berlín: Siemens Aktiengesellschaft, 1968.

Cita MLA (9th ed.)

Brodhage, Helmut, i Wilhelm Hormuth. Planning and Engineering of Radio Relay Links. 7a. ed. Siemens Aktiengesellschaft, 1968.