Villafañe Santiago, Á. A., Irizarry Robles, C. Y., & Vázquez Ramos, R. A. (2011). Academic, Personal, Social and Vocational Needs of International and Exchange Students at the University of Puerto Rico, Río Piedras Campus.
Chicago-tyylinen lähdeviittausVillafañe Santiago, Ángel A., Carol Y. Irizarry Robles, ja Robinson A. Vázquez Ramos. Academic, Personal, Social and Vocational Needs of International and Exchange Students At the University of Puerto Rico, Río Piedras Campus. 2011.
MLA-viiteVillafañe Santiago, Ángel A., Carol Y. Irizarry Robles, ja Robinson A. Vázquez Ramos. Academic, Personal, Social and Vocational Needs of International and Exchange Students At the University of Puerto Rico, Río Piedras Campus. 2011.
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