APA

International Union for Conservation of Nature and Natural Resources. General Assembly, Technical Meeting of the International Union for Conservation of Nature and Natural Resources, . (1972). Conservation of nature in the Soviet Union. Moscow: Ministry of Agriculture of the USSR.

Chicago

International Union for Conservation of Nature and Natural Resources. General Assembly, Technical Meeting of the International Union for Conservation of Nature and Natural Resources, . 1972. Conservation of nature in the Soviet Union. Moscow: Ministry of Agriculture of the USSR.

Harvard

International Union for Conservation of Nature and Natural Resources. General Assembly, Technical Meeting of the International Union for Conservation of Nature and Natural Resources, . (1972). Conservation of nature in the Soviet Union. Moscow: Ministry of Agriculture of the USSR.

MLA

International Union for Conservation of Nature and Natural Resources. General Assembly, Technical Meeting of the International Union for Conservation of Nature and Natural Resources, . Conservation of nature in the Soviet Union. Moscow: Ministry of Agriculture of the USSR. 1972.