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

APA Citation Edition Citation

Ballin, T. B. (2011). The felsite quarries of North Roe, Shetland - an overview. Oxbow Books.

Chicago Citation Edition Citation

Ballin, Torben Bjarke. The Felsite Quarries of North Roe, Shetland - an Overview. Oxford: Oxbow Books, 2011.

MLA Citation Edition Citation

Ballin, Torben Bjarke. The Felsite Quarries of North Roe, Shetland - an Overview. Oxbow Books, 2011.