E. Brown, & C.Montgomery Gaylord. (1962). Geometry plane and solid .The laidlaw Mathematics series. Illinois: Laidlaw Brothers.
Trích dẫn kiểu ChicagoE. Brown, và C.Montgomery Gaylord. Geometry Plane and Solid .The Laidlaw Mathematics Series. Illinois: Laidlaw Brothers, 1962.
Deismireacht MLAE. Brown, và C.Montgomery Gaylord. Geometry Plane and Solid .The Laidlaw Mathematics Series. Illinois: Laidlaw Brothers, 1962.
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