Hatfield, J. (1994). Soil biology: Effects on soil quality. Lewis Publishers.
Cita Chicago Style (17a ed.)Hatfield, J.L. Soil Biology: Effects on Soil Quality. Boca Raton: Lewis Publishers, 1994.
Cita MLA (9a ed.)Hatfield, J.L. Soil Biology: Effects on Soil Quality. Lewis Publishers, 1994.
Precaución: Estas citas no son 100% exactas.