Certo, S. C., Certo, S. T., & Barman, S. (2012). Modern management: Concepts and skills (12th ed., International edition.). Prentice Hall.
Chicago-viite (17. p.)Certo, Samuel C., S. Trevis Certo, ja Shayak Barman. Modern Management: Concepts and Skills. 12th ed., International edition. Upper Saddle River, N.J: Prentice Hall, 2012.
MLA-viite (9. p.)Certo, Samuel C., et al. Modern Management: Concepts and Skills. 12th ed., International edition. Prentice Hall, 2012.
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