Citazione Stile APA (7a Edizione)

Guthertz, J. P. (1972). The history and development of the Radio Control Office (a government regulatory agency). s.n.].

Citazione stile Chigago Style (17a edizione)

Guthertz, Judith Paulette. The History and Development of the Radio Control Office (a Government Regulatory Agency). [S.l: s.n.], 1972.

Citatione MLA (9a ed.)

Guthertz, Judith Paulette. The History and Development of the Radio Control Office (a Government Regulatory Agency). s.n.], 1972.