JENNY, H. 1. (1980). The Soil resource: Origin and behavior. Springer-Verlag.
Chicago Style (17th ed.) ZitazioaJENNY, Hans 1899. The Soil Resource: Origin and Behavior. New York: Springer-Verlag, 1980.
MLA (9th ed.) ZitazioaJENNY, Hans 1899. The Soil Resource: Origin and Behavior. Springer-Verlag, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.