E. Brown, & C.Montgomery Gaylord. (1962). Geometry plane and solid .The laidlaw Mathematics series. Illinois: Laidlaw Brothers.
استشهاد بنمط شيكاغوE. Brown, و C.Montgomery Gaylord. Geometry Plane and Solid .The Laidlaw Mathematics Series. Illinois: Laidlaw Brothers, 1962.
MLA استشهادE. Brown, و C.Montgomery Gaylord. Geometry Plane and Solid .The Laidlaw Mathematics Series. Illinois: Laidlaw Brothers, 1962.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.