Ramsey, A. S. (1932). Elementary co-ordinate geometry: A book for beginners. Cambridge University Press.
Chicagoスタイル(17版)引用形式Ramsey, A. S. Elementary Co-ordinate Geometry: A Book for Beginners. Cambridge: Cambridge University Press, 1932.
MLA(8版)引用形式Ramsey, A. S. Elementary Co-ordinate Geometry: A Book for Beginners. Cambridge University Press, 1932.
警告: この引用は必ずしも正確ではありません.