Lua APA (7ú heag.)
Ritchey,Joseph D, & Rumbaugh,James O. (1996). subsurface fluid- flow modeling: Ground-water and vadose zone. West conshohocken.
Lua i Stíl Chicago (17ú heag.)
Ritchey,Joseph D, agus Rumbaugh,James O. Subsurface Fluid- Flow Modeling: Ground-water and Vadose Zone. ASTM special technical publication: West conshohocken, 1996.
Lua MLA (9ú heag.)
Ritchey,Joseph D, agus Rumbaugh,James O. Subsurface Fluid- Flow Modeling: Ground-water and Vadose Zone. West conshohocken, 1996.
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