Cofnodi Dyfyniadau
Dyfyniad APA
Douglas E. M. (1929). Map of Yosemite valley. U. S. Geological Survey.
Successfully copied to clipboard
Copying to clipboard failed
Dyfyniad Arddull Chicago
Douglas E. M. Map of Yosemite Valley. U. S. Geological Survey, 1929.
Successfully copied to clipboard
Copying to clipboard failed
Dyfyniad MLA
Douglas E. M. Map of Yosemite Valley. U. S. Geological Survey, 1929.
Successfully copied to clipboard
Copying to clipboard failed
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.