DYK, Johann Gottfried.
Successfully copied to clipboard
Copying to clipboard failed
Dyfyniad Arddull Chicago
DYK, Johann Gottfried.
Successfully copied to clipboard
Copying to clipboard failed
Dyfyniad MLA
DYK, Johann Gottfried.
Successfully copied to clipboard
Copying to clipboard failed
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.