APA aipamena

Unesco-Unep International Environmental Programme. (1986). Educational module on conservation and management of natural resources. Unesco Division of Science.

Chicago Style aipamena

Unesco-Unep International Environmental Programme. Educational Module on Conservation and Management of Natural Resources. [Paris]: Unesco Division of Science, 1986.

MLA aipamena

Unesco-Unep International Environmental Programme. Educational Module on Conservation and Management of Natural Resources. Unesco Division of Science, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.