Dyfyniad APA

Sybel, H. v., & Duff Gordon, L. (1861). The history and literature of the Crusades. Chapman and Hall.

Dyfyniad Arddull Chicago

Sybel, Heinrich von, and Lucie Duff Gordon. The History and Literature of the Crusades. London: Chapman and Hall, 1861.

Dyfyniad MLA

Sybel, Heinrich von, and Lucie Duff Gordon. The History and Literature of the Crusades. Chapman and Hall, 1861.

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