एपीए उद्धरण

United Nations Educational Scientific and Cultural Organization. (2006). UNESCO open access resource directory. USA: United Nations Educational Scientific and Cultural Organization.

शिकागो स्टाइल उद्धरण

United Nations Educational Scientific and Cultural Organization. UNESCO Open Access Resource Directory. USA: United Nations Educational Scientific and Cultural Organization, 2006.

एमएलए उद्धरण

United Nations Educational Scientific and Cultural Organization. UNESCO Open Access Resource Directory. USA: United Nations Educational Scientific and Cultural Organization, 2006.