Gaya APA

Bollag, J., Stotzky., G. (13 Mei 1993). Soil Biochemistry vol 8 (Cet. 8). Madison, Wisconsin, AS: Marcel Dekker, Inc..

Gaya MLA

Bollag, Jean-Marc., Stotzky., G.. "Soil Biochemistry vol 8". Cet. 8 Madison, Wisconsin, AS: Marcel Dekker, Inc., 13 Mei 1993. Text.