एपीए उद्धरण

Norman W Hudson. (1987). FAO soils bulletin N.57: Soil and water conservation in semi-arid areas. Rome: FAO.

शिकागो स्टाइल उद्धरण

Norman W Hudson. FAO Soils Bulletin N.57: Soil and Water Conservation in Semi-arid Areas. Rome: FAO, 1987.

एमएलए उद्धरण

Norman W Hudson. FAO Soils Bulletin N.57: Soil and Water Conservation in Semi-arid Areas. Rome: FAO, 1987.