Pierzynski, G. M., Thomas Sims, J., & Vance, G. F. (1994). Soils and environmental quality. Lewis.
Cita Chicago Style (17a ed.)Pierzynski, Gary M., J. Thomas Sims, y George F. Vance. Soils and Environmental Quality. Boca Raton: Lewis, 1994.
Cita MLA (8a ed.)Pierzynski, Gary M., et al. Soils and Environmental Quality. Lewis, 1994.
Precaución: Estas citas no son 100% exactas.