(en) Bryan L. Bonner, Sheli D. Sillito et Michael R. Baumann, « Collective estimation: Accuracy, expertise, and extroversion as sources of intra-group influence », Organizational Behavior and Human Decision Processes, vol. 103, no 1, , p. 121–133 (ISSN0749-5978, lire en ligne, consulté le )
(en) Bryan L. Bonner, Sheli D. Sillito et Michael R. Baumann, « Collective estimation: Accuracy, expertise, and extroversion as sources of intra-group influence », Organizational Behavior and Human Decision Processes, vol. 103, no 1, , p. 121–133 (ISSN0749-5978, lire en ligne, consulté le )