Wils, T., J. Bélanger, and E. . Gosselin. “Rival Structures for Career Anchors: An Empirical Test of the Circumplex”. Canadian Journal of Career Development, vol. 15, no. 1, Jan. 2016, pp. 27-38, https://cjcd-rcdc.ceric.ca/index.php/cjcd/article/view/160.