Manier, E. (1978). The young Darwin and his cultural circle: A study of influences which helped shape the language and logic of the first drafts of the theory of natural selection. Reidel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रManier, Edward. The Young Darwin and His Cultural Circle: A Study of Influences Which Helped Shape the Language and Logic of the First Drafts of the Theory of Natural Selection. Dordrecht [u.a.]: Reidel, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रManier, Edward. The Young Darwin and His Cultural Circle: A Study of Influences Which Helped Shape the Language and Logic of the First Drafts of the Theory of Natural Selection. Reidel, 1978.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.