APA (7th ed.) Zitazioa

United States Department of Agriculture & National Agricultural Statistics Service. (1996). Agricultural Chemical Usage. 1995 Fruits Summary.

Chicago Style (17th ed.) Zitazioa

United States Department of Agriculture eta National Agricultural Statistics Service. Agricultural Chemical Usage. 1995 Fruits Summary. 1996.

MLA (9th ed.) Zitazioa

United States Department of Agriculture eta National Agricultural Statistics Service. Agricultural Chemical Usage. 1995 Fruits Summary. 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.