Dyfyniad APA

Pedro A Sanchez. (1976). Properties and management of soils in the tropics. New York: John Wiley.

Dyfyniad Arddull Chicago

Pedro A Sanchez. Properties and Management of Soils in the Tropics. New York: John Wiley, 1976.

Dyfyniad MLA

Pedro A Sanchez. Properties and Management of Soils in the Tropics. New York: John Wiley, 1976.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.