Spriegel, W. R. 1., & Davies, E. C. (1946). Principles of business organization. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Spriegel, William Robert 1893, e Ernest Coulter Davies. Principles of Business Organization. New York: Prentice-Hall, 1946.
Citatione MLA (9a ed.)Spriegel, William Robert 1893, e Ernest Coulter Davies. Principles of Business Organization. Prentice-Hall, 1946.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.