Orlov, D. . S. (1985). Humus acids of soils. Oxonian press.
Chicago Edition CitationOrlov, D S. Humus Acids of Soils. New Delhi: Oxonian press, 1985.
MLA引文Orlov, D S. Humus Acids of Soils. Oxonian press, 1985.
警告：這些引文格式不一定是100％准確.
APA引文