Citazione Stile APA (7a Edizione)

Bumpus Bernard. (1980). Seventy years of international broadcasting. Unesco.

Citazione stile Chigago Style (17a edizione)

Bumpus Bernard. Seventy Years of International Broadcasting. Paris: Unesco, 1980.

Citatione MLA (9a ed.)

Bumpus Bernard. Seventy Years of International Broadcasting. Unesco, 1980.