Blanpain, R., & Boes, M. (1991). International Encyclopaedia of Laws: Environmental law. Kluwer Law International.
Cita Chicago Style (17a ed.)Blanpain, R., y M. Boes. International Encyclopaedia of Laws: Environmental Law. The Hague [etc.]: Kluwer Law International, 1991.
Cita MLA (9a ed.)Blanpain, R., y M. Boes. International Encyclopaedia of Laws: Environmental Law. Kluwer Law International, 1991.
Precaución: Estas citas no son 100% exactas.