Nuffield Foundation. Science Teaching Project. (1971). Students' book unit 3: Physics, field and potential. Nuffield Advanced Science/Longman.
Παραπομπή σε μορφή Chicago (17η εκδ.)Nuffield Foundation. Science Teaching Project. Students' Book Unit 3: Physics, Field and Potential. London: Nuffield Advanced Science/Longman, 1971.
Παραπομπή σε μορφή MLA (9th εκδ.)Nuffield Foundation. Science Teaching Project. Students' Book Unit 3: Physics, Field and Potential. Nuffield Advanced Science/Longman, 1971.
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