E. Brown, & C.Montgomery Gaylord. (1962). Geometry plane and solid .Plane and Solid. Illinois: Laidlaw Brothers.
Παραπομπή Chicago StyleE. Brown, και C.Montgomery Gaylord. Geometry Plane and Solid .Plane and Solid. Illinois: Laidlaw Brothers, 1962.
Παραπομπή MLAE. Brown, και C.Montgomery Gaylord. Geometry Plane and Solid .Plane and Solid. Illinois: Laidlaw Brothers, 1962.
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