APA
(1984). Procedures for water and wastewater analysis. Loveland: Hach Co.
Chicago
1984. Procedures for water and wastewater analysis. Loveland: Hach Co.
Harvard
(1984). Procedures for water and wastewater analysis. Loveland: Hach Co.
MLA
Procedures for water and wastewater analysis. Loveland: Hach Co. 1984.