APA (7th ed.) Citation

Não informado. (1987). UNCTAD commodity yearbook. United Nations.

Chicago Style (17th ed.) Citation

Não informado. UNCTAD Commodity Yearbook. New York: United Nations, 1987.

MLA (8th ed.) Citation

Não informado. UNCTAD Commodity Yearbook. United Nations, 1987.

Warning: These citations may not always be 100% accurate.