Hannas, L. (1981). The jigsaw Book: Celebrating two centuries of jigsaw-puzzling round the world. The Dial Press.
Chicago-referens (17:e uppl.)Hannas, Linda. The Jigsaw Book: Celebrating Two Centuries of Jigsaw-puzzling Round the World. New York: The Dial Press, 1981.
MLA-referens (8:e uppl.)Hannas, Linda. The Jigsaw Book: Celebrating Two Centuries of Jigsaw-puzzling Round the World. The Dial Press, 1981.
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