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

APA Citation Edition Citation

Ryder, P. F. (2000). Medieval cross slab grave covers in Northumberland, 1: South west Northumberland.

Chicago Citation Edition Citation

Ryder, Peter F. Medieval Cross Slab Grave Covers in Northumberland, 1: South West Northumberland. 2000.

MLA Citation Edition Citation

Ryder, Peter F. Medieval Cross Slab Grave Covers in Northumberland, 1: South West Northumberland. 2000.