Nuffield Foundation. Secondary Science Project. (1970). Nuffield secondary science: Teacher's guide. Nuffield Foundation.
Citace podle Chicago (17th ed.)Nuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Teacher's Guide. London: Nuffield Foundation, 1970.
Citace podle MLA (9th ed.)Nuffield Foundation. Secondary Science Project. Nuffield Secondary Science: Teacher's Guide. Nuffield Foundation, 1970.
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