APA aipamena

(1968). Science for better living. Washington, D.C: United States Department of Agriculture.

Chicago Style aipamena

Science for Better Living. Washington, D.C: United States Department of Agriculture, 1968.

MLA aipamena

Science for Better Living. Washington, D.C: United States Department of Agriculture, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.