APA
United States of America Department of Agriculture, .Changes in Agriculture in 26 developing nations: 1948 -1963. Wasington D C: .
Chicago
United States of America Department of Agriculture, .Changes in Agriculture in 26 developing nations: 1948 -1963. Wasington D C: .
Harvard
United States of America Department of Agriculture, .Changes in Agriculture in 26 developing nations: 1948 -1963. Wasington D C: .
MLA
United States of America Department of Agriculture, .Wasington D C: . .
