Buckman, H. O., & Brady, N. C. (1960). The nature and properties of soils: A college text of Edaphology (Sexta edición.). The Mac Millan.
Cita Chicago (17th ed.)Buckman, Harry Oliver, i Nyle C. Brady. The Nature and Properties of Soils: A College Text of Edaphology. Sexta edición. New York, USA: The Mac Millan, 1960.
Cita MLA (9th ed.)Buckman, Harry Oliver, i Nyle C. Brady. The Nature and Properties of Soils: A College Text of Edaphology. Sexta edición. The Mac Millan, 1960.
Atenció: Aquestes cites poden no estar 100% correctes.