Ritchey, J. D., & Rumbaugh, J. O. (1996). Subsurface Fluid-Flow (Ground Water and Vadose Zone) Modeling. ASTM Special Technical Publication.
Citazione stile Chigago Style (17a edizione)Ritchey, Joseph D., e James O. Rumbaugh. Subsurface Fluid-Flow (Ground Water and Vadose Zone) Modeling. USA: ASTM Special Technical Publication, 1996.
Citatione MLA (9a ed.)Ritchey, Joseph D., e James O. Rumbaugh. Subsurface Fluid-Flow (Ground Water and Vadose Zone) Modeling. ASTM Special Technical Publication, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.