APA-čujuhus (7. p.)

BALL ROBERT. (1984). MANAGEMETN TECHNIQUES & QUANTITATIVE METHODS. HEINEMANN.

Chicago-čujuhus (17. p.)

BALL ROBERT. MANAGEMETN TECHNIQUES & QUANTITATIVE METHODS. LONDON: HEINEMANN, 1984.

MLA-čujuhus (9. p.)

BALL ROBERT. MANAGEMETN TECHNIQUES & QUANTITATIVE METHODS. HEINEMANN, 1984.

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