Gassner, J. (1964). O`nell: A collection of critical essays. Prentice Hall.
Chicago-čujuhus (17. p.)Gassner, John. O`nell: A Collection of Critical Essays. New yark: Prentice Hall, 1964.
MLA-čujuhus (9. p.)Gassner, John. O`nell: A Collection of Critical Essays. Prentice Hall, 1964.
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