Hug, W. E. (1974). Strategies for change in information programs. R.R. Bowker Company.
Cita Chicago (17th ed.)Hug, William E. Strategies for Change in Information Programs. New York: R.R. Bowker Company, 1974.
Cita MLA (9th ed.)Hug, William E. Strategies for Change in Information Programs. R.R. Bowker Company, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.