APA引用形式

Sjo,John. (1976). Economics for agriculturalists: Beginning text in agricultural economics. Grid.

シカゴスタイル引用形

Sjo,John. Economics for Agriculturalists: Beginning Text in Agricultural Economics. Olivo: Grid, 1976.

MLA引用形式

Sjo,John. Economics for Agriculturalists: Beginning Text in Agricultural Economics. Grid, 1976.

警告: この引用は必ずしも正確ではありません.