Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.