Federación Internacional de Asociaciones de Bibliotecarios y Bibliotecas. Working Group on the International Standard Bibliographic Description for Non-Book Materials. (1977). ISBD(NBM): International Standard Bibliographic Description for Non-Book Materials. IFLA International Office for UBC.
Cita Chicago Style (17a ed.)Federación Internacional de Asociaciones de Bibliotecarios y Bibliotecas. Working Group on the International Standard Bibliographic Description for Non-Book Materials. ISBD(NBM): International Standard Bibliographic Description for Non-Book Materials. London: IFLA International Office for UBC, 1977.
Cita MLA (9a ed.)Federación Internacional de Asociaciones de Bibliotecarios y Bibliotecas. Working Group on the International Standard Bibliographic Description for Non-Book Materials. ISBD(NBM): International Standard Bibliographic Description for Non-Book Materials. IFLA International Office for UBC, 1977.