Cita APA

Orlov, D. S. (1985). Humus acids of soil. Published for the United States Dept. of Agriculture and the National Science Foundation, Washington, D.C., by Amerind Pub. Co..

Citación estilo Chicago

Orlov, D. S. Humus Acids of Soil. New Delhi: Published for the United States Dept. of Agriculture and the National Science Foundation, Washington, D.C., by Amerind Pub. Co., 1985.

Cita MLA

Orlov, D. S. Humus Acids of Soil. New Delhi: Published for the United States Dept. of Agriculture and the National Science Foundation, Washington, D.C., by Amerind Pub. Co., 1985.