American Management Association. (1957). Problems and practices in engineering management. s.n.
Citazione stile Chigago Style (17a edizione)American Management Association. Problems and Practices in Engineering Management. New York: s.n, 1957.
Citatione MLA (9a ed.)American Management Association. Problems and Practices in Engineering Management. s.n, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.