APA-čujuhus (7. p.)

LEHMANN DONALD R. (1997). ANALYSIS FOR MARKETING PLANNING (4TH.). IRWIN MCGRAW-HILL.

Chicago-čujuhus (17. p.)

LEHMANN DONALD R. ANALYSIS FOR MARKETING PLANNING. 4TH. CHICAGO: IRWIN MCGRAW-HILL, 1997.

MLA-čujuhus (9. p.)

LEHMANN DONALD R. ANALYSIS FOR MARKETING PLANNING. 4TH. IRWIN MCGRAW-HILL, 1997.

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