Cita APA (7a ed.)
(1980). Environmental education in the light of the Tbilisi conference. UNESCO.
Cita Chicago Style (17a ed.)
Environmental Education in the Light of the Tbilisi Conference. Paris: UNESCO, 1980.
Cita MLA (9a ed.)
Environmental Education in the Light of the Tbilisi Conference. UNESCO, 1980.
Precaución: Estas citas no son 100% exactas.