lohr, v. (1974). trends of development and some topical problems in czechoslovak agriculture. the institute of national planning.
芝加哥风格引文lohr, v. Trends of Development and Some Topical Problems in Czechoslovak Agriculture. cairo: the institute of national planning, 1974.
MLA引文lohr, v. Trends of Development and Some Topical Problems in Czechoslovak Agriculture. the institute of national planning, 1974.
警告：这些引文格式不一定是100％准确.