Dyfyniad APA

Bartke, S., & Siegmüller, J. (2004). Williams syndrome across languages. John Benjamins Pub..

Dyfyniad Arddull Chicago

Bartke, Susanne, and Julia Siegmüller. Williams Syndrome Across Languages. Amsterdam ; Philadelphia: John Benjamins Pub., 2004.

Dyfyniad MLA

Bartke, Susanne, and Julia Siegmüller. Williams Syndrome Across Languages. John Benjamins Pub., 2004.

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