Richmond, L. (1966). From the Sketch to the finished picture oil painting. Sir Isaac Pitman & Sons Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichmond, Leonard. From the Sketch to the Finished Picture Oil Painting. Sir Isaac Pitman & Sons Ltd, 1966.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRichmond, Leonard. From the Sketch to the Finished Picture Oil Painting. Sir Isaac Pitman & Sons Ltd, 1966.
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