Dyfyniad APA

U.S. Coast and Geodetic Survey & Baldwin, A. L. (1922). California-Washington arc of precise triangulation (2nd ed.). Govt. print. off..

Dyfyniad Arddull Chicago

U.S. Coast and Geodetic Survey and A. L. Baldwin. California-Washington Arc of Precise Triangulation. 2nd ed. Washington: Govt. print. off., 1922.

Dyfyniad MLA

U.S. Coast and Geodetic Survey and A. L. Baldwin. California-Washington Arc of Precise Triangulation. 2nd ed. Govt. print. off., 1922.

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