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