Gaya APA

Brady, Nyle C. (1990). The nature and properties of soils . New York: Macmillan.

Gaya Chicago

Brady, Nyle C. The nature and properties of soils. New York: Macmillan, 1990. Tesis.

Gaya MLA

Brady, Nyle C. The nature and properties of soils. New York: Macmillan, 1990. Tesis.

Gaya Turabian

Brady, Nyle C. The nature and properties of soils. New York: Macmillan, 1990. Tesis.