Bittel, L. R. (1980). What every supervisor should know: The basics of supervisory management (4th.). McGraw-Hill.
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Dyfyniad Arddull Chicago
Bittel, Lester R. What Every Supervisor Should Know: The Basics of Supervisory Management. 4th. New York: McGraw-Hill, 1980.
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Dyfyniad MLA
Bittel, Lester R. What Every Supervisor Should Know: The Basics of Supervisory Management. 4th. McGraw-Hill, 1980.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.