Howard, G. P. (1935). Procedures and Devices in Motivating the Study of Geometry.
Chicago Style (17th ed.) CitationHoward, George Paulian. Procedures and Devices in Motivating the Study of Geometry. 1935.
MLA (8th ed.) CitationHoward, George Paulian. Procedures and Devices in Motivating the Study of Geometry. 1935.