APA aipamena

Dept. of Agriculture. (1968). Science for better living. [Washington: For sale by the Supt. Docs., U.S. Govt. Print. Off..

Chicago Style aipamena

Dept. of Agriculture. Science for Better Living. [Washington: For sale by the Supt. Docs., U.S. Govt. Print. Off., 1968.

MLA aipamena

Dept. of Agriculture. Science for Better Living. [Washington: For sale by the Supt. Docs., U.S. Govt. Print. Off., 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.