Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Ryder, P. (2003). Medieval cross slab grave covers in Northumberland, 3: North Northumberland.

Chicago Citation Edition Citation

Ryder, Peter. Medieval Cross Slab Grave Covers in Northumberland, 3: North Northumberland. 2003.

MLA Citation Edition Citation

Ryder, Peter. Medieval Cross Slab Grave Covers in Northumberland, 3: North Northumberland. 2003.