APA
Cochrane N., Lambert M., . (1989). Agricultural Perfomance in Eastern Europe, 1988. Washington D.C: U.S. Department of Agriculture.
Chicago
Cochrane N.J, Lambert M.J, . 1989. Agricultural Perfomance in Eastern Europe, 1988. Washington D.C: U.S. Department of Agriculture.
Harvard
Cochrane N., Lambert M., . (1989). Agricultural Perfomance in Eastern Europe, 1988. Washington D.C: U.S. Department of Agriculture.
MLA
Cochrane N.J, Lambert M.J, . Agricultural Perfomance in Eastern Europe, 1988. Washington D.C: U.S. Department of Agriculture. 1989.