Plaster, E. J. (1992). Soil science & management: Instructor's guide (2nd ed.). Delmar.
Cita Chicago Style (17a ed.)Plaster, Edward J. Soil Science & Management: Instructor's Guide. 2nd ed. Albany [New York]: Delmar, 1992.
Cita MLA (9a ed.)Plaster, Edward J. Soil Science & Management: Instructor's Guide. 2nd ed. Delmar, 1992.
Precaución: Estas citas no son 100% exactas.