Nuffield Foundation. Secondary Science Project. (1971). Nuffield secondary science: Theme 3, biology of man. Nuffield Foundation.
Chicago Style aipamenaNuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Theme 3, Biology of Man. London: Nuffield Foundation, 1971.
MLA aipamenaNuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Theme 3, Biology of Man. Nuffield Foundation, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.