Great Britain. Scottish Development Dept. (1972). Towards cleaner water: Rivers pollution survey of Scotland. H.M. Stationery Off..
Chicago-Zitierstil (17. Ausg.)Great Britain. Scottish Development Dept. Towards Cleaner Water: Rivers Pollution Survey of Scotland. Edinburgh: H.M. Stationery Off., 1972.
MLA-Zitierstil (8. Ausg.)Great Britain. Scottish Development Dept. Towards Cleaner Water: Rivers Pollution Survey of Scotland. H.M. Stationery Off., 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.