APA
Shefter H., . (1963). How to Prepare Talks and Oral Reports. New York: .
Chicago
Shefter Harry, . 1963. How to Prepare Talks and Oral Reports. New York: .
Harvard
Shefter H., . (1963). How to Prepare Talks and Oral Reports. New York: .
MLA
Shefter Harry, . How to Prepare Talks and Oral Reports. New York: . 1963.