Bonilla Sandí, A. (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 March 4, 1991.
Dyfyniad Arddull ChicagoBonilla Sandí, Albán. Speech At the Opening of the Courses of Bachelor of Library and Information Science At the School of Library Science At the National University March 4, 1991. 1991.
Dyfyniad MLABonilla Sandí, Albán. Speech At the Opening of the Courses of Bachelor of Library and Information Science At the School of Library Science At the National University March 4, 1991. 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.