- HörbuchIt's Okay to Be the BossBruce Tulgan
- HörbuchThe Art of Being Indispensable at WorkBruce Tulgan
- HörbuchThe 27 Challenges Managers FaceBruce Tulgan
- HörbuchIt's Okay to Manage Your BossBruce Tulgan
- HörbuchBridging the Soft Skills GapBruce Tulgan
- HörbuchNot Everyone Gets a TrophyBruce Tulgan
- HörbuchNot Everyone Gets A TrophyBruce Tulgan
- HörbuchLos 27 retos que enfrentan los directivos (The 27 Challenges Managers face)Bruce Tulgan
- HörbuchNo todo el mundo merece un trofeo (Not Everyone Gets a Trophy)Bruce Tulgan