APA
National Industrial Conference Board N. Y., National Industrial Conference Board N. Y., . (1957). Clerical salaries in twenty cities. New York: National Industrial Conference Board U. S. A.
Chicago
National Industrial Conference Board New York, National Industrial Conference Board New York, . 1957. Clerical salaries in twenty cities. New York: National Industrial Conference Board U. S. A.
Harvard
National Industrial Conference Board N. Y., National Industrial Conference Board N. Y., . (1957). Clerical salaries in twenty cities. New York: National Industrial Conference Board U. S. A.
MLA
National Industrial Conference Board New York, National Industrial Conference Board New York, . Clerical salaries in twenty cities. New York: National Industrial Conference Board U. S. A. 1957.
