Dyfyniad APA

Tolkien,J.R.R, & Tolkien,Christopher. (2009). The legend of Sigurd and Gudrun. Harper collins.

Dyfyniad Arddull Chicago

Tolkien,J.R.R, and Tolkien,Christopher. The Legend of Sigurd and Gudrun. London: Harper collins, 2009.

Dyfyniad MLA

Tolkien,J.R.R, and Tolkien,Christopher. The Legend of Sigurd and Gudrun. Harper collins, 2009.

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