Gaya APA

Johnson, E, D. (1966). Communication : An introduction to the history of writing, printing, books and libraries (3rd Edition). New York: The Scarecrow Press, Inc..

Gaya MLA

Johnson, Elmer, D.. "Communication : An introduction to the history of writing, printing, books and libraries". 3rd Edition New York: The Scarecrow Press, Inc., 1966. Text.