b, American Public Health Association, American Water Works Association, Water environment federation, & Franson, M. A. (1994). Standard methods for the examination of water and wastewater ; Prepared and published jointly by: American public health association, American water works association, Water environment federation, Managing editor Mary Ann h. Franson (18th ed.). American public health association.
Παραπομπή σε μορφή Chicago (17η εκδ.)b, American Public Health Association, American Water Works Association, Water environment federation, και Mary Ann Franson. Standard Methods for the Examination of Water and Wastewater ; Prepared and Published Jointly by: American Public Health Association, American Water Works Association, Water Environment Federation, Managing Editor Mary Ann H. Franson. 18th ed. Washington: American public health association, 1994.
Παραπομπή σε μορφή MLA (8th εκδ.)b, et al. Standard Methods for the Examination of Water and Wastewater ; Prepared and Published Jointly by: American Public Health Association, American Water Works Association, Water Environment Federation, Managing Editor Mary Ann H. Franson. 18th ed. American public health association, 1994.
