APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.