APA-čujuhus (7. p.)

Ries Al. (2017). Positioning: The Battle For Your Mind (20.). McGraw Hill Education.

Chicago-čujuhus (17. p.)

Ries Al. Positioning: The Battle For Your Mind. 20. Chennai: McGraw Hill Education, 2017.

MLA-čujuhus (9. p.)

Ries Al. Positioning: The Battle For Your Mind. 20. McGraw Hill Education, 2017.

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