APA
(1989). From strategy to action : the IUCN response to the report of the World Commission on Environment and Development. Gland, Switzerland: IUCN--The World Conservation Union.
Chicago
1989. From strategy to action : the IUCN response to the report of the World Commission on Environment and Development. Gland, Switzerland: IUCN--The World Conservation Union.
Harvard
(1989). From strategy to action : the IUCN response to the report of the World Commission on Environment and Development. Gland, Switzerland: IUCN--The World Conservation Union.
MLA
From strategy to action : the IUCN response to the report of the World Commission on Environment and Development. Gland, Switzerland: IUCN--The World Conservation Union. 1989.