Wentworth, G. (1899). Plane and solid geometry (Teacher's edition. Revised edition.). Ginn.
Citace podle Chicago (17th ed.)Wentworth, George. Plane and Solid Geometry. Teacher's edition. Revised edition. Boston, New York: Ginn, 1899.
Citace podle MLA (8th ed.)Wentworth, George. Plane and Solid Geometry. Teacher's edition. Revised edition. Ginn, 1899.
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