APA (7th ed.) Zitazioa

BUCKMAN Harry O. (1969). The nature and properties of soils. (7th ed.). Macmillan Company.

Chicago Style (17th ed.) Zitazioa

BUCKMAN Harry O. The Nature and Properties of Soils. 7th ed. London: Macmillan Company, 1969.

MLA (9th ed.) Zitazioa

BUCKMAN Harry O. The Nature and Properties of Soils. 7th ed. Macmillan Company, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.