15th Edition•ISBN: 9781337520164John David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine249 solutions
23rd Edition•ISBN: 9781305575080David Twomey, Marianne Jennings, Stephanie Greene369 solutions
13th Edition•ISBN: 9781337918756Jean Phillips, Ricky W. Griffin, Stanley Gully174 solutions
5th Edition•ISBN: 9781118911013 (2 more)Jack T. Marchewka346 solutions