Hitchcock, H. (1958). Architecture: 19th and 20th centuries. Penguin books.
Chicago-viite (17. p.)Hitchcock, Henry-Russell. Architecture: 19th and 20th Centuries. Middlesex: Penguin books, 1958.
MLA-viite (9. p.)Hitchcock, Henry-Russell. Architecture: 19th and 20th Centuries. Penguin books, 1958.
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