APA引用形式

UNEP. (1979). Directory of institutions and individuals active in environmentally sound and appropriate technologies. Pergamon press.

シカゴスタイル引用形

UNEP. Directory of Institutions and Individuals Active in Environmentally Sound and Appropriate Technologies. NewYork: Pergamon press, 1979.

MLA引用形式

UNEP. Directory of Institutions and Individuals Active in Environmentally Sound and Appropriate Technologies. Pergamon press, 1979.

警告: この引用は必ずしも正確ではありません.