Eckman, E. (2008). Beyond the square crochet motifs: 144 circles, hexagons, triangles, squares, and other unexpected shapes. Storey Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEckman, Edie. Beyond the Square Crochet Motifs: 144 Circles, Hexagons, Triangles, Squares, and Other Unexpected Shapes. North Adams, MA: Storey Pub., 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEckman, Edie. Beyond the Square Crochet Motifs: 144 Circles, Hexagons, Triangles, Squares, and Other Unexpected Shapes. Storey Pub., 2008.
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