Leadership across hierarchical levels: Multiple levels of management and multiple levels of analysis
The Leadership Quarterly (2009) - Comments
doi: 10.1016/j.leaqua.2009.06.003  issn: 1048-9843 

Jae Uk Chun, Francis J. Yammarino, Shelley D. Dionne, John J. Sosik, Hyoung Koo Moon