Bittel, L. R., & Newstrom, J. W. (1990). What every supervisor should know (Sixth edition.). McGraw-Hill Publishing Company.
Chicago-viite (17. p.)Bittel, Lester R., ja John W. Newstrom. What Every Supervisor Should Know. Sixth edition. New York: McGraw-Hill Publishing Company, 1990.
MLA-viite (9. p.)Bittel, Lester R., ja John W. Newstrom. What Every Supervisor Should Know. Sixth edition. McGraw-Hill Publishing Company, 1990.
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