APA-čujuhus (7. p.)
O'Hair, H. D., O'Hair, M. J., & O'Rourke, J. S. (2001). Business communication: A framework for success. South-Western College.
Chicago-čujuhus (17. p.)
O'Hair, H. Dan, Mary John O'Hair, juo James S. O'Rourke. Business Communication: A Framework for Success. Australia: South-Western College, 2001.
MLA-čujuhus (9. p.)
O'Hair, H. Dan, et al. Business Communication: A Framework for Success. South-Western College, 2001.
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