Zwicky, F. (1969). Discovery, invention, research through the morphological approach. Macmillan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZwicky, F. Discovery, Invention, Research Through the Morphological Approach. New York: Macmillan, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZwicky, F. Discovery, Invention, Research Through the Morphological Approach. Macmillan, 1969.
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