Haan, C. T. 1., Johnson, H. P., Brakensiek, D. L. 1., Haan, C. T., & Brakensiek, D. L. (1982). Hydrologic modeling of small watersheds. St. Joseph, Mich.: American Society of Agricultural Engineers.

Haan, C. T. 1941-, H. P. Johnson, D. L. 1928- Brakensiek, C. T. Haan, and D. L. Brakensiek. Hydrologic Modeling of Small Watersheds. St. Joseph, Mich.: American Society of Agricultural Engineers, 1982.

Haan, C. T. 1941-, et al. Hydrologic Modeling of Small Watersheds. St. Joseph, Mich.: American Society of Agricultural Engineers, 1982.