Johnes, P., Moss, B., & Phillips, G. (1994). Lakes - classification and monitoring: A strategy for the classification of lakes. National Rivers Authority.
Chicago-Zitierstil (17. Ausg.)Johnes, Penny, Brian Moss, und Geoff Phillips. Lakes - Classification and Monitoring: A Strategy for the Classification of Lakes. Bristol: National Rivers Authority, 1994.
MLA-Zitierstil (9. Ausg.)Johnes, Penny, et al. Lakes - Classification and Monitoring: A Strategy for the Classification of Lakes. National Rivers Authority, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.