Planty, E. G., & Freeston, J. T. (1954). Developing management ability: 600=six hundred questions and answers. Ronald Press.
Citazione stile Chigago Style (17a edizione)Planty, Earl Gerald, e J. Thomas Freeston. Developing Management Ability: 600=six Hundred Questions and Answers. New York: Ronald Press, 1954.
Citatione MLA (9a ed.)Planty, Earl Gerald, e J. Thomas Freeston. Developing Management Ability: 600=six Hundred Questions and Answers. Ronald Press, 1954.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.