APA

U.S. forest service s. f. e. s., . (1981). Biological and sociological basis for a relational use of forest resources for energy and organics: proceedings of an international workshop held at Michigan state university, 1979. Washington-US: United States Agency for International Development.

Chicago

U.S. forest service southeastern forest experiment station, . 1981. Biological and sociological basis for a relational use of forest resources for energy and organics: proceedings of an international workshop held at Michigan state university, 1979. Washington-US: United States Agency for International Development.

Harvard

U.S. forest service s. f. e. s., . (1981). Biological and sociological basis for a relational use of forest resources for energy and organics: proceedings of an international workshop held at Michigan state university, 1979. Washington-US: United States Agency for International Development.

MLA

U.S. forest service southeastern forest experiment station, . Biological and sociological basis for a relational use of forest resources for energy and organics: proceedings of an international workshop held at Michigan state university, 1979. Washington-US: United States Agency for International Development. 1981.