Gaya APA

Unesco, . (1975). World Communications : A 200-country survey of press, radio, television and film . New York: Epping, Eng. : Gower Press ; New York : Unipub, 1975..

Gaya MLA

Unesco, . "World Communications : A 200-country survey of press, radio, television and film". New York: Epping, Eng. : Gower Press ; New York : Unipub, 1975., 1975. Text.