Agassiz, L. (1863). Methods of study in natural history. Ticknor and Fields.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAgassiz, Louis. Methods of Study in Natural History. Boston: Ticknor and Fields, 1863.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAgassiz, Louis. Methods of Study in Natural History. Ticknor and Fields, 1863.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.