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

APA Citation Edition Citation

Ryder, P. (2002). Medieval cross slab grave covers in Nothumberland, 2: Newcastle and South East Northumberland.

Chicago Citation Edition Citation

Ryder, Peter. Medieval Cross Slab Grave Covers in Nothumberland, 2: Newcastle and South East Northumberland. 2002.

MLA Citation Edition Citation

Ryder, Peter. Medieval Cross Slab Grave Covers in Nothumberland, 2: Newcastle and South East Northumberland. 2002.