Harrison, J., & Baxandall, G. A. (1913). Practical geometry and graphics for advanced students (Enl. ed., adapted to the requirements of the new (1912) syllabus of the Board of Education, Whitehall.). Macmillan.
Chicago-referens (17:e uppl.)Harrison, Joseph, och G. A. Baxandall. Practical Geometry and Graphics for Advanced Students. Enl. ed., adapted to the requirements of the new (1912) syllabus of the Board of Education, Whitehall. London: Macmillan, 1913.
MLA-referens (8:e uppl.)Harrison, Joseph, och G. A. Baxandall. Practical Geometry and Graphics for Advanced Students. Enl. ed., adapted to the requirements of the new (1912) syllabus of the Board of Education, Whitehall. Macmillan, 1913.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.