Q. Gao, K. Zhou, și J. Li, „The Economic Consequences of Working While Receiving a Full Pension”, rcis, vol. 62, pp. 79–113, sep. 2018, Data accesării: nov. 07, 2026. Disponibil la: https://www.rcis.ro/journal/article/view/2468-the-economic-consequences-of-working-while-receiving-a