APA (7th ed.) Zitazioa
(1992). Environmental education about the rain forest. IUCN.
Chicago Style (17th ed.) Zitazioa
Environmental Education About the Rain Forest. Gland, Switzerland: IUCN, 1992.
MLA (9th ed.) Zitazioa
Environmental Education About the Rain Forest. IUCN, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.