Institute for Operational Research. (1972). Scope for operational research in the library and information services field.
Čikaški stil citiranja (17. izdanje)Institute for Operational Research. Scope for Operational Research in the Library and Information Services Field. [London], 1972.
MLA način citiranja (8. izdanje)Institute for Operational Research. Scope for Operational Research in the Library and Information Services Field. 1972.
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