Posamentier, A. S., & Salkind, C. T. (1996). Challenging problems in geometry. Dover Publications.
Style de citation ChicagoPosamentier, Alfred S., et Charles T. Salkind. Challenging Problems in Geometry. New York: Dover Publications, 1996.
Style de citation MLAPosamentier, Alfred S., et Charles T. Salkind. Challenging Problems in Geometry. Dover Publications, 1996.
Attention : ces citations peuvent ne pas être correctes à 100%.