Beattie, K. W. (1959). The Magic of making Halftones. N. J.: Litho Books.
Trích dẫn kiểu ChicagoBeattie, K. W. The Magic of Making Halftones. N. J.: Litho Books, 1959.
MLA CitationBeattie, K. W. The Magic of Making Halftones. N. J.: Litho Books, 1959.
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