Worth, L. (1979). The practice of watercolour painting / (by) Leslie Worth. Pitman.
Chicago Edition CitationWorth, Leslie. The Practice of Watercolour Painting / (by) Leslie Worth. London: Pitman, 1979.
MLA Edition CitationWorth, Leslie. The Practice of Watercolour Painting / (by) Leslie Worth. Pitman, 1979.
Warning: These citations may not always be 100% accurate.