APA引用形式

Sjo,John. (1976). Economics for Agriculturalists: A Beginning Text in Agricultural Economics. Copyright Grid. Inc.

シカゴスタイル引用形

Sjo,John. Economics for Agriculturalists: A Beginning Text in Agricultural Economics. Ohio: Copyright Grid. Inc, 1976.

MLA引用形式

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

警告: この引用は必ずしも正確ではありません.