Barros Barros, S. J. (1960). An analisys of student selection practices at two chilean universities. A nine-credit colloquium paper, Ed. Ad. 270B, submitted to the Faculty of the Graduate School of the University of Minnesota. By Raymond Barros, S. J. in partial fulfillment of the requirements for the degree of Master of Arts (Primera edición.). sin nombre.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barros Barros, S. J. An Analisys of Student Selection Practices at Two Chilean Universities. A Nine-credit Colloquium Paper, Ed. Ad. 270B, Submitted to the Faculty of the Graduate School of the University of Minnesota. By Raymond Barros, S. J. in Partial Fulfillment of the Requirements for the Degree of Master of Arts. Primera edición. Minneapolis, USA: sin nombre, 1960.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Barros Barros, S. J. An Analisys of Student Selection Practices at Two Chilean Universities. A Nine-credit Colloquium Paper, Ed. Ad. 270B, Submitted to the Faculty of the Graduate School of the University of Minnesota. By Raymond Barros, S. J. in Partial Fulfillment of the Requirements for the Degree of Master of Arts. Primera edición. sin nombre, 1960.