APA aipamena

(1955). The yearbook of agriculture 1955 - Water. Washington: U.S.Department of Agriculture.

Chicago Style aipamena

The Yearbook of Agriculture 1955 - Water. Washington: U.S.Department of Agriculture, 1955.

MLA aipamena

The Yearbook of Agriculture 1955 - Water. Washington: U.S.Department of Agriculture, 1955.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.