APA-čujuhus (7. p.)
Gaines, S. M., Eglinton, G., & Rullkötter, J. (2009). Echoes of life: What fossil molecules reveal about earth history. Oxford University Press.
Chicago-čujuhus (17. p.)
Gaines, Susan M., G. Eglinton, juo J. Rullkötter. Echoes of Life: What Fossil Molecules Reveal About Earth History. Oxford ; New York: Oxford University Press, 2009.
MLA-čujuhus (9. p.)
Gaines, Susan M., et al. Echoes of Life: What Fossil Molecules Reveal About Earth History. Oxford University Press, 2009.
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