American Society of Agrucltural Engineering, Brakensiek, D., Haan, C. T., & Johnson, H. (1982). Hydrologic modeling of small watersheds. American Society of Agricultural Engineers.
Chicago-referens (17:e uppl.)American Society of Agrucltural Engineering, D.L Brakensiek, Charles Thomas Haan, och H.P Johnson. Hydrologic Modeling of Small Watersheds. St. Joseph, Mich: American Society of Agricultural Engineers, 1982.
MLA-referens (9:e uppl.)American Society of Agrucltural Engineering, et al. Hydrologic Modeling of Small Watersheds. American Society of Agricultural Engineers, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.