एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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