(1974). Methods for chemical analysis of water and wastes: Selected water resources abstracts PB 211968. Environmental Protection Agency.
Chicago-Zitierstil (17. Ausg.)Methods for Chemical Analysis of Water and Wastes: Selected Water Resources Abstracts PB 211968. Washington: Environmental Protection Agency, 1974.
MLA-Zitierstil (9. Ausg.)Methods for Chemical Analysis of Water and Wastes: Selected Water Resources Abstracts PB 211968. Environmental Protection Agency, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.