Benford, M., Hine, E., Macfarlane, M., Williams, I., & Stevens, J. (2017). Focus on Success: Ausgabe Wirtschaft / von Michael Benford, Elizabeth Hine, Michael Macfarlande, Isobel Williams sowie John Stevens (5th edition.). Cornelsen.
Čikaški stil citiranja (17. izdanje)Benford, Michael, Elizabeth Hine, Michael Macfarlane, Isobel Williams, i John Stevens. Focus on Success: Ausgabe Wirtschaft / Von Michael Benford, Elizabeth Hine, Michael Macfarlande, Isobel Williams Sowie John Stevens. 5th edition. Berlin: Cornelsen, 2017.
MLA način citiranja (8. izdanje)Benford, Michael, et al. Focus on Success: Ausgabe Wirtschaft / Von Michael Benford, Elizabeth Hine, Michael Macfarlande, Isobel Williams Sowie John Stevens. 5th edition. Cornelsen, 2017.
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