Não informado. (1963). Boston Studies in the Philosophy of Science. Kluwer Academic Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Boston Studies in the Philosophy of Science. Dordrecht, Holanda: Kluwer Academic Publishers, 1963.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Boston Studies in the Philosophy of Science. Kluwer Academic Publishers, 1963.
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