Cunningham, W. H., & Aldag, R. J. (1993). Business in a changing world: Annotated instructor's edition (3rd ed.). South-Western.
Cita Chicago (17th ed.)Cunningham, William H., i Ramon J. Aldag. Business in a Changing World: Annotated Instructor's Edition. 3rd ed. Ohio: South-Western, 1993.
Cita MLA (9th ed.)Cunningham, William H., i Ramon J. Aldag. Business in a Changing World: Annotated Instructor's Edition. 3rd ed. South-Western, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.