Toepfer, G. (2012). Teleology and its constitutive role for biology as the science of organized systems in nature: Georg Toepfer. Studies in History and Philosophy of Biological and Biomedical Sciences.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रToepfer, Georg. "Teleology and Its Constitutive Role for Biology as the Science of Organized Systems in Nature: Georg Toepfer." Studies in History and Philosophy of Biological and Biomedical Sciences 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रToepfer, Georg. "Teleology and Its Constitutive Role for Biology as the Science of Organized Systems in Nature: Georg Toepfer." Studies in History and Philosophy of Biological and Biomedical Sciences, 2012.
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