APA-čujuhus (7. p.)
ebrary, Inc, Hedges, S. B., & Kumar, S. (2009). The timetree of life. Oxford University Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, S. Blair Hedges, juo Sudhir Kumar. The Timetree of Life. Oxford ; New York: Oxford University Press, 2009.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. The Timetree of Life. Oxford University Press, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.