APA-čujuhus (7. p.)

Covey, S. R. (2020). 7 Habits of Highly Effective People. Simon and Schuster.

Chicago-čujuhus (17. p.)

Covey, Stephen R. 7 Habits of Highly Effective People. New Delhi: Simon and Schuster, 2020.

MLA-čujuhus (9. p.)

Covey, Stephen R. 7 Habits of Highly Effective People. Simon and Schuster, 2020.

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