Nuffield Foundation. Science Teaching Project. (1970). Nuffield biological science: Study guide, evidence and deduction in biological science. Nuffield Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNuffield Foundation. Science Teaching Project. Nuffield Biological Science: Study Guide, Evidence and Deduction in Biological Science. England: Nuffield Foundation, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNuffield Foundation. Science Teaching Project. Nuffield Biological Science: Study Guide, Evidence and Deduction in Biological Science. Nuffield Foundation, 1970.
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