Orlov, D. S. (1985). Humus acids of soils. Published for the United States Dept. of Agriculture and the National Science Foundation, Washington, D.C., by Amerind Pub. Co..
Citação norma ChicagoOrlov, D. S. Humus Acids of Soils. New Delhi: Published for the United States Dept. of Agriculture and the National Science Foundation, Washington, D.C., by Amerind Pub. Co., 1985.
Citação norma MLAOrlov, D. S. Humus Acids of Soils. Published for the United States Dept. of Agriculture and the National Science Foundation, Washington, D.C., by Amerind Pub. Co., 1985.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.