Citazione Stile APA (7a Edizione)

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.