APA citiranje

Umeki, T. (1990). Effects of power-tiller use on farm income in the sage plain area, sage preffecture, Japan. Japan: Department of Agriculture Economics.

Trích dẫn kiểu Chicago

Umeki, Toshimi. Effects of Power-tiller Use On Farm Income in the Sage Plain Area, Sage Preffecture, Japan. Japan: Department of Agriculture Economics, 1990.

MLA citiranje

Umeki, Toshimi. Effects of Power-tiller Use On Farm Income in the Sage Plain Area, Sage Preffecture, Japan. Japan: Department of Agriculture Economics, 1990.