Παραπομπή APA

Ritchey, J. D., & Rumbaugh, J. O. (1996). Subsurface fluid flow (ground-water and vadose zone) modeling. West Conshohocken, PA.: ASTM.

Παραπομπή Chicago Style

Ritchey, Joseph D., and James O. Rumbaugh. Subsurface Fluid Flow (ground-water and Vadose Zone) Modeling. West Conshohocken, PA.: ASTM, 1996.

Παραπομπή MLA

Ritchey, Joseph D., and James O. Rumbaugh. Subsurface Fluid Flow (ground-water and Vadose Zone) Modeling. West Conshohocken, PA.: ASTM, 1996.

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