APA

Untermaier J., Société française pour le droit de l'environment, International Union for Conservation of Nature and Natural Resources & IUCN Commission on Environmental Policy L. a. A. (1991). Legal aspects of the conservation of wetlands: papers presented at an international conference held in Lyon, 23-26 September 1987. Gland, Switzerland: IUCN.

Chicago

Untermaier Jean, Société française pour le droit de l'environment, International Union for Conservation of Nature and Natural Resources and IUCN Commission on Environmental Policy Law and Administration. 1991. Legal aspects of the conservation of wetlands: papers presented at an international conference held in Lyon, 23-26 September 1987. Gland, Switzerland: IUCN.

Harvard

Untermaier J., Société française pour le droit de l'environment, International Union for Conservation of Nature and Natural Resources and IUCN Commission on Environmental Policy L. a. A. (1991). Legal aspects of the conservation of wetlands: papers presented at an international conference held in Lyon, 23-26 September 1987. Gland, Switzerland: IUCN.

MLA

Untermaier Jean, Société française pour le droit de l'environment, International Union for Conservation of Nature and Natural Resources and IUCN Commission on Environmental Policy Law and Administration. Legal aspects of the conservation of wetlands: papers presented at an international conference held in Lyon, 23-26 September 1987. Gland, Switzerland: IUCN. 1991.