APA-čujuhus (7. p.)
Unseld, S., Goethe, J. W. v., & Northcott, K. J. (2003). Goethe & the ginkgo: A tree & a poem. University of Chicago Press.
Chicago-čujuhus (17. p.)
Unseld, Siegfried, Johann Wolfgang von Goethe, juo Kenneth J. Northcott. Goethe & the Ginkgo: A Tree & a Poem. Chicago: University of Chicago Press, 2003.
MLA-čujuhus (9. p.)
Unseld, Siegfried, et al. Goethe & the Ginkgo: A Tree & a Poem. University of Chicago Press, 2003.
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