Dyfyniad APA

Posamentier, A. S. (1996). Challnging Problems in Geometry. Dover Publications, inc.

Dyfyniad Arddull Chicago

Posamentier, Alfred S. Challnging Problems in Geometry. Dover Publications, inc, 1996.

Dyfyniad MLA

Posamentier, Alfred S. Challnging Problems in Geometry. Dover Publications, inc, 1996.

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