Paul, E. A. Soil microbiology, ecology and biochemistry (Fourth edition.).
Chicago-stil citatPaul, Eldor Alvin. Soil Microbiology, Ecology and Biochemistry. Fourth edition.
MLA-referensPaul, Eldor Alvin. Soil Microbiology, Ecology and Biochemistry. Fourth edition.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.