APA (7 वां संस्करण) प्रशस्ति पत्र
Thomas, P. J., Hicks, R. D., Chyba, C. F., & McKay, C. P. (2006). Comets and the Origin and Evolution of Life. Springer Berlin Heidelberg. https://doi.org/10.1007/10903490
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Thomas, Paul J., Roland Dean Hicks, Christopher F. Chyba, और Christopher P. McKay. Comets and the Origin and Evolution of Life. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/10903490.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Thomas, Paul J., et al. Comets and the Origin and Evolution of Life. Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/10903490.
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