Eaton( Andrew D.) et al. (2005). Standard methods for the examination of water and waste water (21.).
Chicago ZitierstilEaton( Andrew D.) et al. Standard Methods for the Examination of Water and Waste Water. 21. American Public Health Association, 2005.
MLA ZitierstilEaton( Andrew D.) et al. Standard Methods for the Examination of Water and Waste Water. 21. 2005.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.