Kreitner, R. (1989). Management.: Robert Kreitner. 4th ed. Mass. : houghton.
Cita Chicago (17th ed.)Kreitner, Robert. Management.: Robert Kreitner. 4th Ed. Boston: Mass. : houghton, 1989.
Cita MLA (9th ed.)Kreitner, Robert. Management.: Robert Kreitner. 4th Ed. Mass. : houghton, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.