एपीए उद्धरण

World Bank. (1981). Agricultural research: Sector policy paper June 1981. World Bank.

शिकागो स्टाइल उद्धरण

World Bank. Agricultural Research: Sector Policy Paper June 1981. Washington,D C: World Bank, 1981.

एमएलए उद्धरण

World Bank. Agricultural Research: Sector Policy Paper June 1981. World Bank, 1981.