APA引文

Sijo, J. (1976). Economics for agriculturalists: A beginning text in agricultural economics. Grid.

Chicago Edition Citation

Sijo, John. Economics for Agriculturalists: A Beginning Text in Agricultural Economics. Ohio: Grid, 1976.

MLA引文

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

警告:這些引文格式不一定是100%准確.