Role ambiguity, role efficacy, and role performance: Multidimensional and mediational relationships within interdependent sport teams
Group Dynamics Theory Research and Practice (2002) - Comment
doi: 10.1037/1089-2699.6.3.229  issn: 1089-2699  issn: 1930-7802 

Mark R. Beauchamp, Steven R. Bray, Mark A. Eys, Albert V. Carron