Cita APA (7a ed.)
Koester, V. (1980). Nordic countries legislation on the environment with special emphasis on conservation a survey. IUCN.
Cita Chicago Style (17a ed.)
Koester, Veit. Nordic Countries Legislation on the Environment with Special Emphasis on Conservation a Survey. Gland: IUCN, 1980.
Cita MLA (9a ed.)
Koester, Veit. Nordic Countries Legislation on the Environment with Special Emphasis on Conservation a Survey. IUCN, 1980.
Precaución: Estas citas no son 100% exactas.