INTERNATIONAL LABOUR OFFICE. (1951). PAYMENT BY RESULTS. OXFORD UNIVERSITY PRESS.
Čikaški stil citiranja (17. izdanje)INTERNATIONAL LABOUR OFFICE. PAYMENT BY RESULTS. DELHI: OXFORD UNIVERSITY PRESS, 1951.
MLA način citiranja (9. izdanje)INTERNATIONAL LABOUR OFFICE. PAYMENT BY RESULTS. OXFORD UNIVERSITY PRESS, 1951.
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