APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.