Rudelius, W. (1981). An introduction to contemporary business (3rd ed.). Harcourt Brace Jovanovich.
Cita Chicago (17th ed.)Rudelius, William. An Introduction to Contemporary Business. 3rd ed. New York: Harcourt Brace Jovanovich, 1981.
Cita MLA (9th ed.)Rudelius, William. An Introduction to Contemporary Business. 3rd ed. Harcourt Brace Jovanovich, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.