Dyfyniad APA

(1890). Treatise on the projection of the sphere, with precepts and tables for facilitating the orthographic and stereographic projections of any portion of the earth's surface.

Dyfyniad Arddull Chicago

Treatise on the Projection of the Sphere, with Precepts and Tables for Facilitating the Orthographic and Stereographic Projections of Any Portion of the Earth's Surface. 1890.

Dyfyniad MLA

Treatise on the Projection of the Sphere, with Precepts and Tables for Facilitating the Orthographic and Stereographic Projections of Any Portion of the Earth's Surface. 1890.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.