lohr, v. (1974). trends of development and some topical problems in czechoslovak agriculture. the institute of national planning.
Chicago (17e ed.) Bronvermeldinglohr, v. Trends of Development and Some Topical Problems in Czechoslovak Agriculture. cairo: the institute of national planning, 1974.
MLA (9e ed.) Bronvermeldinglohr, v. Trends of Development and Some Topical Problems in Czechoslovak Agriculture. the institute of national planning, 1974.