APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.