Cita APA (7a ed.)

United Nations Environment Programme & United Nations Environment Programme. (1995). Survey of information systems related to environmentally sound technologies: Interim report. United Nations Environment Programme.

Cita Chicago Style (17a ed.)

United Nations Environment Programme y United Nations Environment Programme. Survey of Information Systems Related to Environmentally Sound Technologies: Interim Report. New York: United Nations Environment Programme, 1995.

Cita MLA (8a ed.)

United Nations Environment Programme y United Nations Environment Programme. Survey of Information Systems Related to Environmentally Sound Technologies: Interim Report. United Nations Environment Programme, 1995.