Παραπομπή APA

Sparks, D. L. (2003). Environmental soil chemistry (2nd ed.). Academic Press.

Παραπομπή Chicago Style

Sparks, Donald L. Environmental Soil Chemistry. 2nd ed. Amsterdam: Academic Press, 2003.

Παραπομπή MLA

Sparks, Donald L. Environmental Soil Chemistry. 2nd ed. Academic Press, 2003.