Foster, M. (1982). Creating patterns from grasses, seeheads and cones. Pelham Books.
Chicago Style (17. basım) AtıfFoster, Maureen. Creating Patterns from Grasses, Seeheads and Cones. Singapore: Pelham Books, 1982.
MLA (9th ed.) AtıfFoster, Maureen. Creating Patterns from Grasses, Seeheads and Cones. Pelham Books, 1982.
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