एपीए उद्धरण

United Nations Conference on Trade and Development. (1970). The measurement of development effort: Study. New York: United Nations.

शिकागो स्टाइल उद्धरण

United Nations Conference on Trade and Development. The Measurement of Development Effort: Study. New York: United Nations, 1970.

एमएलए उद्धरण

United Nations Conference on Trade and Development. The Measurement of Development Effort: Study. New York: United Nations, 1970.