Vilentchuk, L. (1975). Guidelines on the conduct of a national inventory of scientific and technological information and documentation facilities. Unesco.
Cita Chicago (17th ed.)Vilentchuk, Lydia. Guidelines on the Conduct of a National Inventory of Scientific and Technological Information and Documentation Facilities. Paris: Unesco, 1975.
Cita MLA (8th ed.)Vilentchuk, Lydia. Guidelines on the Conduct of a National Inventory of Scientific and Technological Information and Documentation Facilities. Unesco, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.