(1989). Hydrogeological map of Clwyd and the Cheshire Basin: Including parts of hydrometric areas 54, 65, 66, 67, 68, 69 and 70.
Chicago-Zitierstil (17. Ausg.)Hydrogeological Map of Clwyd and the Cheshire Basin: Including Parts of Hydrometric Areas 54, 65, 66, 67, 68, 69 and 70. [Southampton], 1989.
MLA-Zitierstil (9. Ausg.)Hydrogeological Map of Clwyd and the Cheshire Basin: Including Parts of Hydrometric Areas 54, 65, 66, 67, 68, 69 and 70. 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.