APA-viite (7. p.)
Friedman, N. (2019). E. E. Cummings: The Art of His Poetry. Johns Hopkins University Press.
Chicago-viite (17. p.)
Friedman, Norman. E. E. Cummings: The Art of His Poetry. Baltimore, Md.: Johns Hopkins University Press, 2019.
MLA-viite (9. p.)
Friedman, Norman. E. E. Cummings: The Art of His Poetry. Johns Hopkins University Press, 2019.
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