Dyfyniad APA
Ritchey,Joseph D, & Rumbaugh,James O. (1996). subsurface fluid- flow modeling: Ground-water and vadose zone. West conshohocken.
Dyfyniad Arddull Chicago
Ritchey,Joseph D, and Rumbaugh,James O. Subsurface Fluid- Flow Modeling: Ground-water and Vadose Zone. ASTM special technical publication: West conshohocken, 1996.
Dyfyniad MLA
Ritchey,Joseph D, and Rumbaugh,James O. Subsurface Fluid- Flow Modeling: Ground-water and Vadose Zone. West conshohocken, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.