Han, J. C., Ho, W. F., Ng, B. W. H., & Sciences, S. o. H. a. S. (2017). Visa restrictions and economic exchange: An empirical investigation.
استشهاد بنمط شيكاغوHan, Jie Chou, Wei Feng Ho, Bryan Wei Hsiang Ng, و School of Humanities and Social Sciences. Visa Restrictions and Economic Exchange: An Empirical Investigation. 2017.
MLA استشهادHan, Jie Chou, Wei Feng Ho, Bryan Wei Hsiang Ng, و School of Humanities and Social Sciences. Visa Restrictions and Economic Exchange: An Empirical Investigation. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.