Li, Yi-Min. « A Study on the Correlations among Psychological Contract, Organizational Citizenship Behavior, and Performance in the Hotel Industry ». Revista de Cercetare si Interventie Sociala, vol. 47, décembre 2014, p. 250-6, https://www.rcis.ro/journal/article/view/2105-a-study-on-the-correlations-among-psychological-contract.