LEVIN RICHARD I. (1994). STATISTICS FOR MANAGEMENT (6TH.). PRENTICE -HALL INTERNATIONAL, INC.
Chicago-čujuhus (17. p.)LEVIN RICHARD I. STATISTICS FOR MANAGEMENT. 6TH. NEW DELHI: PRENTICE -HALL INTERNATIONAL, INC, 1994.
MLA-čujuhus (9. p.)LEVIN RICHARD I. STATISTICS FOR MANAGEMENT. 6TH. PRENTICE -HALL INTERNATIONAL, INC, 1994.
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