Tiersma, P. M. (1985). Frisian reference grammar. Foris Publ.
Chicago Style (17th ed.) CitationTiersma, Pieter M. Frisian Reference Grammar. Dordrecht u.a: Foris Publ, 1985.
MLA (9th ed.) CitationTiersma, Pieter M. Frisian Reference Grammar. Foris Publ, 1985.
Warning: These citations may not always be 100% accurate.