Mellalieu, S., Bruton, A. M., & Shearer, D. A. (2014). Observation Interventions as a Means to Manipulate Collective Efficacy in Groups. Journal of Sport and Exercise Psychology, 36(1), pp. 27-39. doi:10.1123/jsep.2013-0058

Mellalieu, Stephen, Adam M. Bruton, and David A. Shearer. "Observation Interventions As a Means to Manipulate Collective Efficacy in Groups." Journal of Sport and Exercise Psychology 36, no. 1 (2014): 27-39.

Mellalieu, Stephen, Adam M. Bruton, and David A. Shearer. "Observation Interventions As a Means to Manipulate Collective Efficacy in Groups." Journal of Sport and Exercise Psychology 36.1 (2014): 27-39.