ORTAŞ, İ. Degradation: Biological. 2017. In Encyclopedia of Soil Science, Third Edition , Crc Press, New York, Usa, 535-557.

ORTAŞ, İ., (2017). Degradation: Biological. Encyclopedia of Soil Science, Third Edition (pp.535-557), New York, Usa: Crc Press.

ORTAŞ, İBRAHİM. "Degradation: Biological." In Encyclopedia of Soil Science, Third Edition , 535-557. New York, Usa: Crc Press, 2017

ORTAŞ, İBRAHİM. "Degradation: Biological." Encyclopedia of Soil Science, Third Edition , Crc Press, 2017, pp.535-557.

ORTAŞ, İ. (2017) "Degradation: Biological", Encyclopedia of Soil Science, Third Edition . New York, Usa: Crc Press.

@bookchapter{bookchapter, author ={İBRAHİM ORTAŞ}, chaptertitle={Degradation: Biological}, booktitle={ Encyclopedia of Soil Science, Third Edition}, publisher={Crc Press}, city={New York, Usa},year={2017} }