Bremmer, R. H. (2009). An introduction to Old Frisian: History, grammar, reader, glossary. John Benjamins Pub. Co..
Dyfyniad Arddull ChicagoBremmer, Rolf H. An Introduction to Old Frisian: History, Grammar, Reader, Glossary. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 2009.
Dyfyniad MLABremmer, Rolf H. An Introduction to Old Frisian: History, Grammar, Reader, Glossary. John Benjamins Pub. Co., 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.