Holtan, O. I. (1970). Mythic patterns in Ibsen's last plays. University of Minnesota Press.
Chicago-čujuhus (17. p.)Holtan, Orley I. Mythic Patterns in Ibsen's Last Plays. Minneapolis: University of Minnesota Press, 1970.
MLA-čujuhus (9. p.)Holtan, Orley I. Mythic Patterns in Ibsen's Last Plays. University of Minnesota Press, 1970.
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