Citazione APA

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

Stile di citazione 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.

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.