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 47 (decembrie 31, 2014): 250–260. Data accesării noiembrie 6, 2026. https://www.rcis.ro/journal/article/view/2105-a-study-on-the-correlations-among-psychological-contract.