APA-čujuhus (7. p.)

Zikmund, W. G. (2009). Essentials of Marketing Research. Cengage.

Chicago-čujuhus (17. p.)

Zikmund, William G. Essentials of Marketing Research. Delhi: Cengage, 2009.

MLA-čujuhus (9. p.)

Zikmund, William G. Essentials of Marketing Research. Cengage, 2009.

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