Row, S., Beman, W. W., & Smith, D. E. (1966). Geometric exercises in paper folding. New York: Dover publications.
Παραπομπή Chicago StyleRow, Sundara, Wooster Woodruff Beman, and David Eugene Smith. Geometric Exercises in Paper Folding. New York: Dover publications, 1966.
Παραπομπή MLARow, Sundara, Wooster Woodruff Beman, and David Eugene Smith. Geometric Exercises in Paper Folding. New York: Dover publications, 1966.
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