APA
(1992). UNITED Nations Conference on Environment and Development : Rio Declaration on Environment and Development [adopted at Rio de Janeiro, June 14, 1992]. : .
Chicago
1992. UNITED Nations Conference on Environment and Development : Rio Declaration on Environment and Development [adopted at Rio de Janeiro, June 14, 1992]. : .
Harvard
(1992). UNITED Nations Conference on Environment and Development : Rio Declaration on Environment and Development [adopted at Rio de Janeiro, June 14, 1992]. : .
MLA
UNITED Nations Conference on Environment and Development : Rio Declaration on Environment and Development [adopted at Rio de Janeiro, June 14, 1992]. : . 1992.