APA

Vereinte Nationen, Vereinte Nationen, . (1982). Main issues in transport for developing countries during the third United Nations development decade. New York: United Nations.

Chicago

Vereinte Nationen, Vereinte Nationen, . 1982. Main issues in transport for developing countries during the third United Nations development decade. New York: United Nations.

Harvard

Vereinte Nationen, Vereinte Nationen, . (1982). Main issues in transport for developing countries during the third United Nations development decade. New York: United Nations.

MLA

Vereinte Nationen, Vereinte Nationen, . Main issues in transport for developing countries during the third United Nations development decade. New York: United Nations. 1982.