American Management Association. (1957). Problems and practices in engineering management. s.n.
Cita Chicago (17th ed.)American Management Association. Problems and Practices in Engineering Management. New York: s.n, 1957.
Cita MLA (9th ed.)American Management Association. Problems and Practices in Engineering Management. s.n, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.