求两篇文献

Love, Mary Sue1; Dustin, Susan L.An investigation of coworker relationships and psychological collectivism on employee propensity to take charge. International Journal of Human Resource Management, Volume 25, Number 9, 15 May 2014 , pp. 1208-1226



Burnett, M. F., Chiaburu, D. S., Li, N., Shapiro, D. L. Revisiting how and when perceived organizational support enhances taking charge: An inverted U-shaped An Inverted U-Shaped Perspective. Journal of Management, Published online before print June 27, 2013, doi: 10.1177/0149206313493324