Croley, T. E. (1980). Hydrologic and hydraulic calculation in BASIC for small computers. Iowa Institute of Hydraulic Research, University of Iowa.
Lua i Stíl Chicago (17ú heag.)Croley, Thomas E. Hydrologic and Hydraulic Calculation in BASIC for Small Computers. Iowa City: Iowa Institute of Hydraulic Research, University of Iowa, 1980.
Lua MLA (9ú heag.)Croley, Thomas E. Hydrologic and Hydraulic Calculation in BASIC for Small Computers. Iowa Institute of Hydraulic Research, University of Iowa, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.