LITTLEFIELD, G. L. (1974). Office And Administrative Management System Analysis, Data Prosesing, And Office Service G. L. Littlefield, Frank M. Rachel, Donald L. Garuth. Prentice-Hall of India Private.
Čikaški stil citiranja (17. izdanje)LITTLEFIELD, G. L. Office And Administrative Management System Analysis, Data Prosesing, And Office Service G. L. Littlefield, Frank M. Rachel, Donald L. Garuth. Prentice-Hall of India Private, 1974.
MLA način citiranja (8. izdanje)LITTLEFIELD, G. L. Office And Administrative Management System Analysis, Data Prosesing, And Office Service G. L. Littlefield, Frank M. Rachel, Donald L. Garuth. Prentice-Hall of India Private, 1974.
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