Gensel, P. G., & Edwards, D. (2000). Plants ivade the land: Evolutionary and environmental perspectives. Columbia University Press.
Chicago-viite (17. p.)Gensel, Patricia G., ja Dianne Edwards. Plants Ivade the Land: Evolutionary and Environmental Perspectives. New York: Columbia University Press, 2000.
MLA-viite (9. p.)Gensel, Patricia G., ja Dianne Edwards. Plants Ivade the Land: Evolutionary and Environmental Perspectives. Columbia University Press, 2000.
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