United Nations Economic Commission for Europe. (1980). Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER.
Čikaški stil citiranja (17. izdanje)United Nations Economic Commission for Europe. Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER, 1980.
MLA način citiranja (8. izdanje)United Nations Economic Commission for Europe. Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER, 1980.
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