Brady, N. C. (1984). The nature and properties of soils (9th ed.). Macmillan Publishing Company.
Cita Chicago (17th ed.)Brady, Nyle C. The Nature and Properties of Soils. 9th ed. New York: Macmillan Publishing Company, 1984.
Cita MLA (9th ed.)Brady, Nyle C. The Nature and Properties of Soils. 9th ed. Macmillan Publishing Company, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.