Levitt, S. (1994). QUALITY IS JUST THE BEGINNING: MANAGING FOR TOTAL RESPONSIVENESS. McGraw-Hill.
Chicago-viite (17. p.)Levitt, Steve. QUALITY IS JUST THE BEGINNING: MANAGING FOR TOTAL RESPONSIVENESS. McGraw-Hill, 1994.
MLA-viite (8. p.)Levitt, Steve. QUALITY IS JUST THE BEGINNING: MANAGING FOR TOTAL RESPONSIVENESS. McGraw-Hill, 1994.
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