Alpízar Moya, S. (1991). Speech at the opening of the courses of Bachelor of Library and Information Science at the School of Library Science at the National University.
استشهاد بنمط شيكاغوAlpízar Moya, Sandra. Speech At the Opening of the Courses of Bachelor of Library and Information Science At the School of Library Science At the National University. 1991.
MLA استشهادAlpízar Moya, Sandra. Speech At the Opening of the Courses of Bachelor of Library and Information Science At the School of Library Science At the National University. 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.