Kreitner, R. (1989). Management.: Robert Kreitner. 4th ed. Mass. : houghton.
Tohutoru Kātū Chicago (17th ed.)Kreitner, Robert. Management.: Robert Kreitner. 4th Ed. Boston: Mass. : houghton, 1989.
Tohutoro MLA (9th ed.)Kreitner, Robert. Management.: Robert Kreitner. 4th Ed. Mass. : houghton, 1989.
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