APA
National Industrial Conference Board (New York), National Industrial Conference Board (New York), . (1960). Business outlook 1961. New York: N I C B USA.
Chicago
National Industrial Conference Board (New York), National Industrial Conference Board (New York), . 1960. Business outlook 1961. New York: N I C B USA.
Harvard
National Industrial Conference Board (New York), National Industrial Conference Board (New York), . (1960). Business outlook 1961. New York: N I C B USA.
MLA
National Industrial Conference Board (New York), National Industrial Conference Board (New York), . Business outlook 1961. New York: N I C B USA. 1960.
