APA-čujuhus (7. p.)

Ashkenas Ron & Manville, B. (2019). Leader's Handbook. HBSP.

Chicago-čujuhus (17. p.)

Ashkenas Ron juo Brook Manville. Leader's Handbook. Boston, U.S: HBSP, 2019.

MLA-čujuhus (9. p.)

Ashkenas Ron juo Brook Manville. Leader's Handbook. HBSP, 2019.

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