Tan, K. H. (2009). Environmental soil science (3rd ed.). CRC.
Chicago Style aipamenaTan, K H. Environmental Soil Science. 3rd ed. Boca Raton: CRC, 2009.
MLA aipamenaTan, K H. Environmental Soil Science. 3rd ed. CRC, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.