APA-čujuhus (7. p.)

Lesikar, . R. V. (2015). Business Communication (13.). McGrawHill.

Chicago-čujuhus (17. p.)

Lesikar, Raymond V. Business Communication. 13. Chennai: McGrawHill, 2015.

MLA-čujuhus (9. p.)

Lesikar, Raymond V. Business Communication. 13. McGrawHill, 2015.

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