Council of Biological and Medical Abstracts. (1969). Soil biology and biochemistry. Pergamon Press.
Chicago-referens (17:e uppl.)Council of Biological and Medical Abstracts. Soil Biology and Biochemistry. Elmsford, NY: Pergamon Press, 1969.
MLA-referens (8:e uppl.)Council of Biological and Medical Abstracts. Soil Biology and Biochemistry. Pergamon Press, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.