National Information Standards Organization. (1994). Information retrieval application service definition and protocol specification for open systems interconnection: ANSI-NISO Z39.50-1992 (Revision of ANSI-NISO Z39.50-1988). NISO Press.
Cita Chicago Style (17a ed.)National Information Standards Organization. Information Retrieval Application Service Definition and Protocol Specification for Open Systems Interconnection: ANSI-NISO Z39.50-1992 (Revision of ANSI-NISO Z39.50-1988). Bethesda [Maryland]: NISO Press, 1994.
Cita MLA (9a ed.)National Information Standards Organization. Information Retrieval Application Service Definition and Protocol Specification for Open Systems Interconnection: ANSI-NISO Z39.50-1992 (Revision of ANSI-NISO Z39.50-1988). NISO Press, 1994.
