Cita APA (7th ed.)
Certo, S. C. (1989). Principles of modern management. Allyn and Bacon.
Cita Chicago (17th ed.)
Certo, Samuel C. Principles of Modern Management. Boston: Allyn and Bacon, 1989.
Cita MLA (9th ed.)
Certo, Samuel C. Principles of Modern Management. Allyn and Bacon, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.