Gaya APA

Hilliard, R, L., Keith, M, C. (2005). The Broadcast century and beyond: a biography of American broadcasting (4th. Ed.). Singapore: Elsevier.

Gaya MLA

Hilliard, Robert, L.., Keith, Michael, C.. "The Broadcast century and beyond: a biography of American broadcasting". 4th. Ed. Singapore: Elsevier, 2005. Text.