Clause, B. T., & Hopper, E. (2012). Edward Hopper in Vermont. University Press of New England.
Chicago-čujuhus (17. p.)Clause, Bonnie T., juo Edward Hopper. Edward Hopper in Vermont. Hanover: University Press of New England, 2012.
MLA-čujuhus (9. p.)Clause, Bonnie T., juo Edward Hopper. Edward Hopper in Vermont. University Press of New England, 2012.
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