APA aipamena

(1959). Digestion of Foods—1938; Sound; B & W; 10 minutes.

Chicago Style aipamena

Digestion of Foods—1938; Sound; B & W; 10 Minutes. 1959.

MLA aipamena

Digestion of Foods—1938; Sound; B & W; 10 Minutes. 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.