United Nations Economic Commission for Europe. (1980). Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER.
芝加哥风格引文United Nations Economic Commission for Europe. Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER, 1980.
MLA引文United Nations Economic Commission for Europe. Trends in Airborne Equipment for Agriculture and Other Areas. ELSEVIER, 1980.
警告：这些引文格式不一定是100％准确.