Nuffield Foundation. Secondary Science Project. (1971). Nuffield secondary science: Theme 4, harnessing energy. Nuffield Foundation.
Citace podle Chicago (17th ed.)Nuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Theme 4, Harnessing Energy. London: Nuffield Foundation, 1971.
Citace podle MLA (9th ed.)Nuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Theme 4, Harnessing Energy. Nuffield Foundation, 1971.
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