APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.