Bold, B. (1982). Famous problems of geometry and how to solve them (Dover ed., Unabridged and slightly corr. republication.). New York: Dover Publications.
Παραπομπή Chicago StyleBold, Benjamin. Famous Problems of Geometry and How to Solve Them. Dover ed., Unabridged and slightly corr. republication. New York: Dover Publications, 1982.
Παραπομπή MLABold, Benjamin. Famous Problems of Geometry and How to Solve Them. Dover ed., Unabridged and slightly corr. republication. New York: Dover Publications, 1982.
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