Lua APA (7ú heag.)
Ritchey, J. D., & Rumbaugh, J. O. (1996). Subsurface fluid flow (ground-water and vadose zone) modeling. ASTM.
Lua i Stíl Chicago (17ú heag.)
Ritchey, Joseph D., agus James O. Rumbaugh. Subsurface Fluid Flow (ground-water and Vadose Zone) Modeling. West Conshohocken, Pa.: ASTM, 1996.
Lua MLA (9ú heag.)
Ritchey, Joseph D., agus James O. Rumbaugh. Subsurface Fluid Flow (ground-water and Vadose Zone) Modeling. ASTM, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.