Cita APA

Orr, W. I. (1978). Radio handbook: Twenty-first edition. ndianapolis: Editors and Engineers.

Citación estilo Chicago

Orr, William I. Radio Handbook: Twenty-first Edition. ndianapolis: Editors and Engineers, 1978.

Cita MLA

Orr, William I. Radio Handbook: Twenty-first Edition. ndianapolis: Editors and Engineers, 1978.